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The synthesis of renewable fuel by CO 2 reduction is a promising research direction. The CO 2 reduction reaction may be promoted using photothermal catalysis to achieve efficient CO 2 conversion under mild conditions. In this context, designing efficient catalysts is urgent. In this work, ABO 3 (A = La, Ce; B = Ni, Co, Fe) perovskite catalysts were prepared by coprecipitation and calcination. Experimental results show that the A-site ions and B-site ions in ABO 3 perovskite nanomaterials have a great influence on their structure and photothermal catalytic performance. Among them, the LaNiO 3 catalyst shows excellent photothermal catalytic performance in the conversion of CO 2 to CO and CH 4 , which can generate 0.16 mmol g−1 h−1 CO and 1.38 mmol g−1 h−1 CH 4 at low CO 2 and H 2 concentrations. For the LaNiO 3 sample, its enhancement of catalytic performance mainly benefits from the largest number of active sites, the fastest carrier transport rate, and a relatively suitable band edge position compared with other catalysts. This study proposes a new method for improving the activity and selectivity of photothermal CO 2 reduction and offers a new direction for the recycling of waste gas. [ABSTRACT FROM AUTHOR]

Momordica charantia L. is a kind of vegetable with medicinal value. As the main component of the vegetable, Momordica charantia polysaccharides (MCPs) mainly consist of galactose, galacturonic acid, xylose, rhamnose, mannose and the molecular weight range is 4.33 × 103–1.16 × 106 Da. MCPs have been found to have various biological activities in recent years, such as anti-oxidation, anti-diabetes, anti-brain injury, anti-obesity, immunomodulatory and anti-inflammation. In this review, we systematically summarized the extraction methods, structural characteristics and physicochemical properties of MCPs. Especially MCPs modulate gut microbiota and cause the alterations of metabolic products, which can regulate different signaling pathways and target gene expressions to exert various functions. Meanwhile, the potential structure-activity relationships of MCPs were analyzed to provide a scientific basis for better development or modification of MCPs. Future researches on MCPs should focus on industrial extraction and molecular mechanisms. In East Asia, Momordica charantia L. is used as both food and medicine. It is not clear whether MCP has its unique biological effects. Further study on the difference between MCPs and other food-derived polysaccharides will be helpful to the development and potential application of Momordica charantia L. [ABSTRACT FROM AUTHOR]

[Display omitted] • • Novel S-scheme heterojunction was constructed between BiOCl and ZnCo-LDH. • • BiOCl/ZnCo-LDH composite exhibited excellent photodegradation performance of NOR. • • Fukui index, degradation pathway of NOR, and toxicity assessment were revealed. • • Possible photocatalytic mechanism was proposed. In this study, BiOCl and ZnCo-LDH were firstly combined to form S-scheme alignment with two-dimensional (2D)/2D structure for norfloxacin (NOR) degradation. The BOC/ZC25 composite possessed the highest photodegradation rate of NOR (94.30%) under irradiation for 60 min with the reaction rate constant of 0.146 min-1, which was 10.43 and 8.59 times better than that of BiOCl and ZnCo. The S-scheme alignment was confirmed by band gap measurement and the build-in electric field (BIEF) proved by the X-ray photoelectron spectroscopy (XPS). The effects of various factors such as photocatalyst dosage, NOR concentration, pH, and water matrix were also determined to evaluated the practical application activity. The reusability and stability were also studied. · O 2 - has been confirmed as the primary active specie according to the electron paramagnetic resonance (EPR) and capture experiments. Moreover, the degradation mechanism and pathways were also conducted by density functional theory (DFT) calculations and liquid chromatography-mass spectrometer (LC-MS) test. The toxicity assessment of original NOR and its intermediates was measured by Toxicity Estimation Software Tool (T. E. S. T). Therefore, this work designs a novel S-scheme alignment material for efficient antibiotics removal in water treatment. [ABSTRACT FROM AUTHOR]

[Display omitted] • H 3 PO 4 co-hydrothermal carbonization improved surface area and functional groups. • HC-5P showed highest adsorption and photocatalytic activity for NOR. • The adsorption and photocatalytic degradation mechanisms were proposed. • H 3 PO 4 co-hydrothermal carbonization is a promising way to prepare hydrochar photocatalyst. Hydrochars have been widely applied in removing pollutants from aqueous solutions. In this study, hydrochars synthesized by H 3 PO 4 -assisted hydrothermal carbonization (HC-xPs) were used to remove norfloxacin (NOR) from water through synergistic adsorption and photodegradation. HC-xPs showed the morphology of carbon microspheres with an average diameter of 0.3 μm. The specific surface area of the hydrochar carbonized with 5 mol/L H 3 PO 4 (HC-5P) was 11.2 times higher than that of the pristine hydrochar (HC). Furthermore, phosphorus-containing functional groups were introduced to HC-5P, beneficial to its adsorption of NOR. The highest NOR adsorption was achieved on HC-5P with the maximum Langmuir capacity of 69.1 mg g−1, owing to multiple mechanisms including electrostatic effects, π-π interactions, hydrophobic interactions, and hydrogen bonding. Compared with HC, HC-5P also demonstrated increased visible light absorption capacity. The first-order rate constant of HC-5P on combined adsorption and photodegradation of NOR was 12.0 times of HC. The photodegradation intermediates were identified by HPLC-MS to understand NOR degradation pathways. This work can be extended to the preparation of low-cost and highly efficient hydrochars for adsorption and photodegradation of pollutants in water. [ABSTRACT FROM AUTHOR]

In this paper, the two-dimensional (2D) layered CoAl LDH (CoAl) was coupled with Bi 2 MoO 6 (BMO) nanoplate and used for tetracycline (TC) degradation. Based on the results of UV–visible diffuse reflectance spectrum (UV–vis DRS), Motty-Schottky curves, and in situ X-ray photoelectron spectroscopy (XPS), a novel 2D/2D Bi 2 MoO 6 /CoAl LDH S-scheme heterojunction photocatalyst was built. The photodegradation rate constant of TC by the optimized sample BMO/CoAl30 was 3.637 × 10−2 min−1, which was 1.26 times and 4.01 times higher than that of Bi 2 MoO 6 and CoAl LDH, respectively. The favorable photocatalytic performance of the heterojunction was attributed to the increased interfacial contact area of the 2D/2D structure. Besides, the transfer of photogenerated electrons from Bi 2 MoO 6 to CoAl LDH under the effect of the built-in electric field (BIEF) reduced the recombination of photogenerated carriers and further improved the photocatalytic performance. The reactive species of h+, ·O 2 −, and 1O 2 exhibited critical roles to degrade TC molecules by reactive radicals capture experiments and electron spin resonance (ESR) tests. The intermediate products of TC degradation and toxicity of intermediates were analyzed by liquid chromatography-mass spectrometer (LC-MS) and Toxicity Estimation Software Tool (T.E.S.T). Additionally, the BMO/CoAl composite photocatalysts showed high stability and environmental tolerance during the testing of cycles and environmental impacts with various water sources, organic contaminants, initial pH, and inorganic ions. This work provides a new protocol for designing and constructing novel 2D/2D S-scheme heterojunction photocatalysts for wastewater treatment. [Display omitted] • Novel S-scheme heterojunction was formed between Bi 2 MoO 6 and CoAl LDH. • Bi 2 MoO 6 /CoAl LDH composite showed excellent photocatalytic degradation of TC. • Degradation pathway for TC and the toxicity of the intermediates were revealed. • Possible photocatalytic mechanism was proposed. [ABSTRACT FROM AUTHOR]

[Display omitted] • HCl co-hydrothermally treated hydrochar showed high adsorption ability for LVX. • The adsorption of LVX was a spontaneous endothermic process. • Yan model best described the breakthrough behavior of LVX in bioretention column. Hydrochars are promising adsorbents in pollutant removal for water treatment. Herein, hydrochloric acid (HCl) co-hydrothermally treated hydrochars were prepared from rice husk biomass at 180 °C via a one-step hydrothermal method. Adsorption behaviors of levofloxacin (LVX) on hydrochars were evaluated. The specific surface area and pore volume of the hydrochar synthesized in 5 mol/L HCl (5H-HC) were almost 17 and 8 times of untreated hydrochar, respectively. The 5H-HC sample exhibited the highest LVX adsorption capability at room temperature (107 mg/g). Thermodynamic experimental results revealed that adsorption was a spontaneous endothermic process. Yan model provided the best description of the breakthrough behavior of LVX in bioretention column, indicating that the adsorption on the samples involved several rate-limiting factors including diffusion and mass transfer. The results show that facile HCl co-hydrothermal carbonization of waste biomass can produce novel hydrochars with high LVX adsorption ability. [ABSTRACT FROM AUTHOR]

Numerous studies have reported that long noncoding RNA (lncRNA) dysregulation is involved in the progression of many malignant tumors, including glioma. The lncRNA ZNFX1 antisense RNA 1 (ZFAS1) plays an oncogenic role in various malignant tumors, such as gastric cancer and hepatocellular carcinoma. However, the underlying molecular mechanism of ZFAS1 in glioma has not been fully clarified. In this study, we found that the expression of ZFAS1 was upregulated in both glioma tissues and cell lines. Functional experiments revealed that ZFAS1 promoted glioma proliferation, migration and invasion, and increased resistance to temozolomide in vitro. By using online databases, RNA pull‐down assays and luciferase reporter assays, ZFAS1 was demonstrated to act as a sponge of miR‐150‐5p. Furthermore, proteolipid protein 2 (PLP2) was shown to be the functional target of miR‐150‐5p. Rescue experiments revealed that ZFAS1 regulated the expression of PLP2 by sponging miR‐150‐5p. Finally, a xenograft tumor assay demonstrated that ZFAS1 promoted glioma growth in vivo. Our results showed that ZFAS1 promoted glioma malignant progression by regulating the miR‐150‐5p/PLP2 axis, which may provide a potential therapeutic target for the treatment of glioma. [ABSTRACT FROM AUTHOR]

• Cu 2 O-decorated CeO 2 was prepared for the photocatalytic CO 2 reduction. • Cu 2 O modified Lewis acid/base and surface oxygen defect content of CeO 2. • More medium basic sites on Cu 2 O/CeO 2 improved CO 2 adsorption/activation. • The synergistic effect of Cu 2 O/CeO 2 on photocatalytic mechanism was proposed. Ceria (CeO 2) with abundant oxygen defects, surface alkalinity, low cost effectiveness and admirable redox ability could be used in the photoreduction of CO 2. However, little attention has been paid to the interaction of reactant CO 2 molecules on CeO 2 –based photocatalysts. In this work, Cu 2 O nanoparticles were applied to the modification of the properties of Lewis acid/base, surface oxygen defect content and visible light adsorption of CeO 2 , and the adsorption/activation abilities of CO 2 reactant on Cu 2 O/CeO 2 and CeO 2 photocatalysts were investigated in comparison. The photocatalytic performance showed that Cu 2 O/CeO 2 had better activity than CeO 2. And the loading of Cu 2 O resulted in more oxygen defects and Ce3+ species, which was helpful for available visible light adsorption and higher charge-separation efficiency. Furthermore, CO 2 -TPD, CO 2 -adsorption DRIFTS and in-situ ESR results demonstrated that the synergistic effects of Cu 2 O/CeO 2 were beneficial for more generated carboxylate and CO 2 − radicals, instead of carbonate species which promoted CO 2 reduction to CO. [ABSTRACT FROM AUTHOR]

[Display omitted] • MIL-88B(Fe)/ZnTi-LDH nanocomposites were firstly synthesized. • Novel high-low junction was formed between MIL-88B(Fe) and ZnTi-LDH. • MIL-88B(Fe)/ZnTi-LDH showed excellent photocatalytic degradation of TC. • Degradative pathway for TC and the toxicity of the intermediates were revealed. In this paper, a high-efficient MIL-88B(Fe)/ZnTi-LDH high-low junction photocatalyst was successfully prepared by a simple method for the photodegradation of tetracycline (TC). The combination of MIL-88B(Fe) and ZnTi-LDH created an internal electric field and high-low junction, facilitated the separation of carriers, and thus enhanced photocatalytic activity. The optimized MZ-30% sample showed the highest photocatalytic degradation of TC about 93.51%. The photocatalytic kinetic removal rate of MZ-30% reached 0.0941 min−1, 31.36 times of MIL-88B(Fe) (0.003 min−1) and 1.7 times of ZnTi-LDH (0.0550 min−1). Furthermore, MZ-30% possessed the highest adsorption capacity for TC (543.89 mg/L). The effects of co-existing ions, initial pH, water source, and humic acid (HA) on TC degradation were examined. The main active substances of MIL-88B(Fe)/ZnTi-LDH in photocatalytic reaction were 1O 2 , h + , and · O 2 - confirming by reactive species elimination experiment and electron spin resonance (ESR) tests. The molecular structure and toxicity of intermediates were investigated by a high-performance liquid chromatography-mass spectrometer (HPLC-MS) and Toxicity Estimation Software Tool (T.E.S.T), and the possible degradation pathway of TC was revealed. The results highlight that MIL-88B(Fe)/ZnTi-LDH high-low junction composite is a desirable photocatalyst for removing antibiotics and other emerging contaminants in water. [ABSTRACT FROM AUTHOR]

Graphical abstract Highlights • g-C 3 N 4 /SrTiO 3 nanocomposites were synthesized with strong interactions between g-C 3 N 4 and SrTiO 3. • g-C 3 N 4 /SrTiO 3 nanocomposites had superior photocatalytic performance, for advantageous interfacial effects. • The built-in electric field in the interface of nanocomposites was illustrated by XPS results and DFT calculations. • The possible photocatalytic mechanism was proposed. Abstract The g-C 3 N 4 /SrTiO 3 nanocomposite is an important material in photocatalysis, but little attention has been paid to their interfacial interaction in photocatalytic reaction. Herein, we prepare the g-C 3 N 4 /SrTiO 3 nanocomposites via a two-step mechanically milling and calcination process. The composite exhibited the highest H 2 evolution activity superior to that of the pure g-C 3 N 4 and SrTiO 3 in the visible light. The results of UV–vis DRS, PL and photoelectrochemical measurements demonstrated that g-C 3 N 4 /SrTiO 3 exhibited more visible light adsorption and faster photo-generated charge transfer. Furthermore, the interfacial electronic structures of g-C 3 N 4 /SrTiO 3 nanocomposites were thoroughly characterized. According to the XPS and DFT results, with the help of a strong built-in electric field presenting in the g-C 3 N 4 /SrTiO 3 interface, the photo-generated electrons flow to the SrTiO 3 from g-C 3 N 4 , leading to the highly-efficient electron separation and more H 2 O molecules photo-reduction to H 2. This work explicates the significant role of built-in electric field in H 2 evolution on g-C 3 N 4 /SrTiO 3 photocatalyst. [ABSTRACT FROM AUTHOR]

[Display omitted] • Hydrochars were prepared from bamboo, cornstalk, and pine. • Bamboo hydrochar had good adsorption and photoreduction ability for Cr(VI) removal. • Possible mechanism for adsorption and photoreduction was elucidated. Photoreduction is recognized as a desirable treatment method for hexavalent chromium Cr(VI) because of the advantages of high efficiency, energy-saving, and environmentally friendly. Herein, three kinds of hydrochars were synthesized by one-step hydrothermal carbonization of agricultural and forestry residuals for synergistic adsorption and photoreduction of Cr(VI). All of them showed relatively strong adsorption capability to Cr(VI). Without illumination, the maximum adsorption capacities of bamboo hydrochar (BHC), cornstalk hydrochar (CHC), and pine wood hydrochar (PHC) were 177.0, 164.2, and 156.5 mg/g, respectively. Moreover, the hydrochars also had excellent photocatalytic properties as indicated by various characterization techniques. Under light irradiation, they created synergistic effects between adsorption and photoreduction to effectively remove Cr(VI) under various conditions. The synergistic removal of Cr(VI) by adsorption and photoreduction in ultrapure water, tap water, and lake water on BHC all reached almost 100% in 40 min. Besides, the photoreduction of Cr(VI) was almost unaffected with various coexisting ions (Cl-, SO 4 2-, PO 4 3-), and the removal rate of Cr(VI) remained above 90% within 60 min after 5 runs of synergistic adsorption-photoreduction. The photocatalytic mechanism suggests that the BHC had suitable band energies which can reduce Cr(VI) to Cr(III) by photo-induced electron. Findings of this study demonstrate that hydrochar is a promising dual-functional material for the treatment of Cr(VI) contaminated water. [ABSTRACT FROM AUTHOR]

[Display omitted] • Bi 2 O 2 CO 3 /biochar nanocomposites were firstly synthesized and reported. • Bi 2 O 2 CO 3 /biochar had good adsorption and photocatalytic activity for tetracycline. • Biochar facilitated the separation of photo-induced carriers in the composites. Adsorption and photodegradation are two widely studied wastewater treatment technologies. In this work, we have firstly prepared the bismuth oxycarbonate (Bi 2 O 2 CO 3) and biochar nanocomposites for synergistic adsorption-photodegradation of tetracycline (TC). It was found that Bi 2 O 2 CO 3 and biochar composites exhibited stronger adsorption capacity and photocatalytic activity compared to Bi 2 O 2 CO 3. Among them, Bi 2 O 2 CO 3 /2.5 wt% biochar possessed the highest adsorption capacity for TC (173.0 mg/L) and the best combined removal rate of TC (84.7 %) in 60 min by adsorption and photodegradation, which were 1.9 times and 1.5 times that of Bi 2 O 2 CO 3 , respectively. The biochar in the composite increased the specific surface area, promoted the adsorption of TC, facilitated charge transfer capability, thereby enhanced the photocatalytic activity of composites. The effects of experimental parameters (temperature, co-existing ions, and initial pH) on TC degradation were examined. Electron spin resonance (ESR) and trapping experiments of free radical confirmed that 1O 2 , •O 2 − and h+ were the main species in photocatalytic degradation. The potential degradation pathways were proposed based on liquid chromatograph mass spectrometer (LC-MS) test of the intermediates of TC degradation. It is hoped that this work not only represents the significantly importance of biochar in photocatalytic wastewater treatment, but also promotes further interests in design synergistic adsorption-photodegradation materials. [ABSTRACT FROM AUTHOR]

Improving the adsorption ability of layered double hydroxide (LDH) has been considered as a promising strategy to promote its photodegradation of aqueous pollutants. In this work, nickel-aluminium layered double hydroxides (NiAl-LDH)/biochar nanocomposites were prepared using a simple coprecipitation method, and then applied in synergistic adsorption-photodegradation of tetracycline (TC) in aqueous solutions. In addition, the governing TC removal mechanisms by the nanocomposites were revealed. All NiAl-LDH/BC samples showed strong adsorption and photodegradation of TC. The Langmuir maximum TC adsorption capacity of optimized NiAl-LDH/BC-0.5 reached 124.2 mg/g, which was much better than that of NiAl-LDH (56.1 mg/g) and biochar (11.1 mg/g). Besides, TC photodegradation rate constant of NiAl/BC - 0.5 was 3.6 and 4.4 times of that of NiAl-LDH and BC, respectively. The NiAl/BC - 0.5 exhibited the maximum TC adsorption-photodegradation efficiency 94.4% in 90 min compared to NiAl-LDH (73.7%) and BC (48.2%). The rate constant of modified Elovich kinetic model for synergistic adsorption and photodegradation on NiAl/BC-0.5 (9.477 min−1) was the highest among the composites. The NiAl-LDH/BC had significantly larger BET surface areas than NiAl-LDH and BC. The step scheme (S-scheme) heterostructures were constructed on the interface of BC and NiAl-LDH in nanocomposites, which facilitated the transfer of photo-induced charges. This work demonstrates that combination of NiAl-LDH and biochar can create synergy for TC adsorption-photodegradation, which is a promising and green strategy. [Display omitted] • NiAl-LDH/BC composites were prepared through simple coprecipitation. • NiAl-LDH/BC composites showed improved physicochemical and catalytic properties. • S-scheme heterostructure was constructed on the interface of BC and NiAl-LDH. • NiAl-LDH/BC effectively removed TC by synergistic adsorption and photodegradation. [ABSTRACT FROM AUTHOR]

The adsorption of reactants is highly correlated with photocatalysis. Improving the adsorption ability of photocatalyst may realize highly efficient removal performance. In this work, Bi 2 MoO 6 and bamboo-derived biochar composite was developed by a facile ball milling method. The adsorption and photodegradation abilities of the composites were evaluated by removing methylene blue (MB), which is a most commonly used aromatic-cationic dye. The maximum adsorption capacity of MB on the optimized 20 % Bi 2 MoO 6 /biochar sample was 160.6 mg/g, and the synergistic adsorption-photocatalytic removal efficiency of MB reached 93.3 % within 30 min, which were superior to Bi 2 MoO 6 (13.3 mg/g, 31.6 %) and biochar (127.7 mg/g, 69.8 %). Compared to Bi 2 MoO 6 , the Bi 2 MoO 6 /biochar composites showed decreased bandgap and enhanced charge separation efficiency. The strong interfacial interactions between Bi 2 MoO 6 and biochar in composites facilitated the photo-induced electrons transfer. Furthermore, the photodegradation efficiency enhanced along with the adsorption efficiency while pH value increased, which further proves the synergy between adsorption and photodegradation. Noticeably, the 20 % Bi 2 MoO 6 /biochar can completely remove MB at pH between 3 and 11. This work proves Bi 2 MoO 6 modified biochar prepared by ball milling is a promising material for synergistic adsorption and photodegradation removal of organic pollutants. [Display omitted] • The optimized 20 % BMO/BC had the maximum adsorption capacity of 160.6 mg/g. • The 20 % BMO/BC showed high MB removal efficiency under light (99.7 %, 60 min). • Removal kinetics were applied to analyze the processes under light or dark. • Synergistic adsorption and photodegradation removal mechanism was elucidated. • Biochar promoted photo-inducted charges transfer in composites. [ABSTRACT FROM AUTHOR]

A series of TiO2 nanosheets are prepared with different amounts of AgNO3 and HF solution through a solvothermal process. The samples are characterized by X-ray diffraction (XRD), X-ray fluorescence spectroscopy (XRF), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), laser Raman spectroscopy (LRS), electron paramagnetic resonance (EPR), and UV-vis diffuse reflectance spectroscopy (UV-vis DRS). From the results it is clear that the added HF solution inhibits the crystallite size growth in the [001] direction, and induces the formation of the TiO2 nanosheets with highly exposed (001) facets. There is a strong interaction between the Ag nanoparticles and the TiO2 support. The (Ag,F)-modified TiO2 catalyst exhibits high activity of MB photodegradation under both UV light and visible light irradiation. Two mechanisms of photocatalysis under UV light and visible light irradiation were discussed and proposed. It is indicated that the strong interaction between the Ag nanoparticles and the TiO2 support improves the photocatalytic activity of TiO2 nanosheets. [ABSTRACT FROM AUTHOR]

In this work, a series of Cu 2 O–modified Bi 2 O 3 nanospheres with perfect visible-light catalytic activity were successfully synthesized via the two-step method. The obtained products were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), Brunauer–Emmett–Teller (BET) surface area, UV–visible diffuse reflectance spectroscopy (UV–vis DRS), and X-ray photoelectron spectroscopy (XPS). In the catalysts of Cu 2 O–modified Bi 2 O 3 nanospheres, Cu 2 O was dispersed on the surface of Bi 2 O 3 nanospheres. All of Cu 2 O–modified Bi 2 O 3 nanospheres showed uniformly nanospheres with the size of 80–150 nm, and exhibited enhanced photocatalytic activity in the degradation of Rhodamine B. The higher BET surface area, the band gap narrowing, and the interfacial charge transfer effect were considered to cause the excellent photocatalysis of Cu 2 O loading Bi 2 O 3 samples. Furthermore, the possible photocatalysis mechanism was proposed. [ABSTRACT FROM AUTHOR]

In this paper, bismuth oxybromide (BiOBr)/biochar composites were synthesized by a facile ball milling method for synergistic adsorption and photodegradation of Reactive red 120 (RR120). The characterizations show that ball milling changed the degree of crystallization, increased the surface area, and promoted the charge transfer ability of biochar. The 70% BiOBr/BC composite showed the best removal efficiency for RR120 removal with or without light illumination, which proves its enhanced removal ability by adsorption and photodegradation. The biochar is served as a support of BiOBr for preventing its aggregation and a transporter of charges for promoting the separation of photo-induced carriers in composites. BiOBr can release the adsorption sites on the surface of composites by degradation, which facilitated the RR120 removal and regenerated the photocatalyst for reusing. The strong interactions between BiOBr and biochar in composites resulted from ball milling were beneficial for the charge transfer and synergistic removal of adsorption and degradation. Findings of this work indicate that ball milling method is an effective method to prepare highly efficient biochar-based composites for RR120 removal through synergistic adsorption and photodegradation. [Display omitted] • BiOBr/biochar composites were firstly synthesized by ball milling method. • Biochar increased the surface area and promoted charge transfer in composites. • There were strong interactions between BiOBr and biochar after ball milling. • Synergy between adsorption and photodegradation in BiOBr/biochar is elucidated. [ABSTRACT FROM AUTHOR]

The development of polymer‐based dielectric nanocomposites with superior dielectric properties, heat dissipation, and excellent thermal stability remains a significant challenge for advanced electronic and electrical systems. In this work, boron nitride nanosheets (BNNS) and MgAl layered double hydroxide nanosheets (MgAl LDHNS) were utilized as binary fillers and incorporated into polyetherimide (PEI) to fabricate BNNS‐MgAl LDHNS/PEI nanocomposite films by ball milling dispersion and solution casting method. Owing to the exceptional synergistic effect of BNNS with high thermal conductivity and large diameter, combined with MgAl LDHNS with high dielectric constant and small diameter, the dielectric constant and thermal conductivity of the nanocomposite film were enhanced while maintaining low dielectric loss and high breakdown strength. For the BNNS‐MgAl LDHNS/PEI nanocomposite films with filler loading of 12 wt%, the dielectric constant (6.47 at 100 Hz) increased by 73%, the in‐plane thermal conductivity (6.932 W/m·K) and through‐plane thermal conductivity (0.407 W/m·K) increased by 561% and 111%, respectively. And the breakdown strength of the nanocomposite film remains at 82.1 kV/mm. Simultaneously, the thermal stability and mechanical flexibility of the nanocomposite film were maintained. This work presents a promising PEI‐based composite material and offers new insights into the role of two‐dimensional binary fillers with varying sheet diameters in enhancing the properties of polymer‐based composites. Highlights: BNNS‐MgAl LDHNS/PEI nanocomposite film was prepared.The nanocomposite film has high dielectric and thermal properties.The interfacial polarization synergistic enhanced by the 2D binary fillers.A high thermal conductivity path was formed between 2D binary fillers. [ABSTRACT FROM AUTHOR]

• Avasimibe, an inhibitor of cholesterol acyltransferase 1, shows anti-tumour efficacy. • We examined the action of Avasimibe in glioma cell lines. • Avasimibe inhibits cell viability in glioma cell lines. • Avasimibe inhibits the proliferation, migration and invasion of glioma cell lines. • Avasimibe inhibits the proliferation, migration and invasion of glioma cell lines by suppressing linc00339. Glioma is one of the most destructive human tumours. Although standard treatment has improved the prognosis for glioma patients, the survival of glioma patients is still unsatisfactory. Avasimibe, an effective inhibitor of cholesterol acyltransferase 1 (ACAT1), has shown anti-tumour efficacy in many kinds of tumours. However, its role and related mechanism in glioma has not been fully elucidated. In the present study, we show that avasimibe effectively inhibits the proliferation, migration and invasion of glioma cell lines. Through LncRNA microarrays, we found that linc00339 levels were closely related to the anti-tumour effect of avasimibe. With the help of a series of functional assays, we show that avasimibe inhibits the proliferation, migration and invasion of glioma cell lines by suppressing linc00339 in vitro and in vivo. Our findings may provide a new approach for glioma therapy. [ABSTRACT FROM AUTHOR]

• Adsorption kinetic rate of dye on g-C 3 N 4 was faster than those of photodegradation processes. • Surface photodegradation kinetic rate of dye adsorbed on g-C 3 N 4 was faster than that in solution. • Synergy between adsorption and photodegradation of dye by g-C 3 N 4 was confirmed and elucidated. • Modified Elovich model was the best to simulate the integrated adsorption and photodegradation kinetics. The synergy between adsorption and photocatalysis has been well recognized in contaminant photodegradation; however, the governing mechanism is still not clear. The main objective of this work is to understand the kinetic processes of synergic adsorption-photocatalysis of graphitic carbon nitrate (g-C 3 N 4), a visible light responsive photocatalyst with a planar graphitic-like structure, in organic contaminant removal. An anionic dye Reactive Red 120 (RR120), which has six sulphonate groups and a complex aromatic molecular structure, was selected as a model contaminant compound. A range of experiments were conducted to determine the kinetics of adsorption, photodegradation, and the integrated process. Various kinetic models were used to simulate and interpret the experimental data and thus to unveil the governing mechanisms. The integrated adsorption and photodegradation of the dye by g-C 3 N 4 was mainly controlled by: 1) adsorption of dye onto g-C 3 N 4 surface, 2) photodegradation of dye in bulk solution, and 3) photodegradation of adsorbed dye on g-C 3 N 4 surface. Both experimental and modeling results showed that the adsorption kinetic rate (3.37 min−1) was faster than the photodegradation kinetic rates. In addition, the surface photodegradation kinetic rate of adsorbed dye (0.149 min−1) was faster than that in solution (0.005 min−1). Adsorption process thus can promote the photodegradation of contaminants by g-C 3 N 4. On the other hand, photodegradation of dye-laden g-C 3 N 4 regenerated its adsorption capacity for multiple times, suggesting photocatalysis process can also promote the adsorption of contaminates on g-C 3 N 4. [ABSTRACT FROM AUTHOR]

In this paper, 304 stainless steel-based ZnO (304SS-based ZnO) seed layer was prepared by using sol-gel method or electrochemical deposition. Superhydrophobic nano-ZnO (CSS–ZnO) surface were prepared on its surface by hydrothermal method. The results show that different structural morphologies of 304SS-based ZnO surface were prepared by varying different seed layer preparation methods. In the static icing test, compared with hydrophilic nano-ZnO (SS–ZnO) surface, hydrophobic nano-ZnO (QS-ZnO) surface and 304SS surface at −5 °C, −10 °C and −15 °C. The icing time of CSS-ZnO surface was prolonged by about 2.7 h at −5 °C, delayed by about 40 min at −10 °C and delayed by about 9 min at −15 °C. The CSS-ZnO surface is the most effective surface in static anti-icing. It is because that there has a residual air layer at the solid-liquid interface and the coating can still effectively retard ice formation in a partially wetted state. In the dynamic icing test, compared with QS-ZnO surface, SS-ZnO surface and 304SS surface at −16 °C, SS-ZnO surface and QS-ZnO surface have no anti-icing effect, and CSS-ZnO surface has a significant anti-icing effect. The mechanism for inhibiting condensation of water droplets by superhydrophobic surfaces was illustrated, which can be identified that the contact angle of the ice embryo will increase with the increase of the water contact angle. This work provides a practical application for promoting anti-icing ability of 304SS surfaces in industry. [ABSTRACT FROM AUTHOR]

How to understand the effect of the surface microstructures and chemical compositions on the anticoagulant properties is the key to develop novel anticoagulant materials. In view of the special surface microstructures and low surface free energy of superhydrophobic materials, it is expected that excellent anticoagulant properties can be obtained from superhydrophobic materials. Here, various nanocone‐shaped ZnO films were prepared by electrochemical deposition method followed by hydrothermal method and modified with n‐dodecyl mercaptan. Ordered nanocone‐shaped ZnO arrays are easier to obtain under suitable preparation conditions and can exhibit superhydrophobicity. The surface wettability is related to the ratio of the diameter and spacing (d/l) of ZnO nanocones. When the d/l value is 0.25–0.55, the contact angle (CA) is consistent with the Cassie mode; when the d/l value is 0.55–0.65, it corresponds to the Wenzel mode. Although the d/l value of the nanocones cannot directly determine the value of the surface free energy, which is strongly associated with the contact mode of the droplets on the film surface. Furthermore, the relationship among surface morphology, CA, and surface free energy is established, and the influence of surface morphology and surface free energy on blood contacting with foreign bodies is explored. It is found that the surface wettability of blood contacting with foreign bodies has some characteristics similar to that of general fluids. For example, under the same contact mode, although the CA of blood on the surface of ZnO nanofilms is about 20° smaller than that of water on the whole, the variation of CA with surface roughness is the same as that of general fluids. However, it also has some unique characteristics, such as the surface of ZnO nanofilms modified with hydrophobic material, the CA becomes larger. These characteristics are of special significance for the development of blood compatibility of superhydrophobic nanomaterials. [ABSTRACT FROM AUTHOR]

• The superhydrophobic surface was prepared by a simple impregnation method; • The samples showed relatively good photocatalytic degradation of organic dyes under light conditions;The samples exhibit excellent superhydrophobicity and thermal conductivity. • The samples showed physical/chemical/mechanical stability in harsh environments; • The samples have relatively excellent work-cycling ability. Water resources are increasingly being damaged by human activities, and it is crucial to deal effectively with polluted water resources. Due to the diversity of pollution sources (oil, organic dyes, and other complex pollutants), it makes sense to develop a material that can handle these pollutants simultaneously. In this article, we construct a simple and fast method to fabricate multifunctional superhydrophobic polyurethane sponges (PU). A superhydrophobic composite coating constructed from ZIF-8, polydimethylsiloxane (PDMS), and stearic acid (SA) was attached to the surface of the polyurethane sponge by a simple impregnation method. Through the above process, we have successfully integrated oil–water separation, photocatalysis, and superhydrophobicity into a polyurethane sponge. The results showed that the PDMS/SA/ZIF-8 polyurethane sponge (PSZPU) had a high hydrophobicity angle (162.9 ± 1.1°). In addition, PSZPU maintains high oil–water separation performance (mean value of separation efficiency > 94.24 %) and superhydrophobicity after oil–water separation cycling tests and a series of harsh environmental tests in acidic and alkaline solutions, high temperatures, abrasion, and UV aging irradiation. Overall, the creation of PSZPU provides a new application for superhydrophobic sponges in water resource treatment. [ABSTRACT FROM AUTHOR]

Icing/frosting poses a significant problem for materials used in everyday applications. In recent years, anti-icing methods utilizing superhydrophobic materials have become popular. These materials have superhydrophobic surfaces with air-solid composite structures, which can prevent icing/frosting by creating air cushions in the micro- and nano-scales of the rough structure. However, long-term protection of the substrate is challenging due to air leakage from the air cushion and the breakdown of the superhydrophobic coating. The use of superhydrophobic materials in cold environments is also greatly limited by this shortcoming. In this paper, superhydrophobic copper foam (SHS CF) was created by using electrochemical oxidation and impregnation techniques and subsequent modified by fluorosilane coupling agent on the copper foam surface to reduce surface particle activity through condensation reactions, achieving a superhydrophobicity with a water contact angle of up to 170±2°. Furthermore, gas was utilized to form a specific rough structure by combining with Cu(OH) 2 micro-nanopins, leading to the development of long-lasting gas in SHS CF (LAG-SHS CF). The LAG-SHS CF exhibited impressive anti-frost characteristics, with a delayed icing time of approximately 2171 s. Notably, the SHS CF retained strong wetting capabilities and excellent resistance to abrasion, UV, acid, and alkali even after the removal of LAG, which was ascribed to the fact that the composite structure effectively reduces the solid-liquid contact area and has a high roughness. These properties provide a solid foundation for the application of LAG-SHS CF. The findings of this study contribute to the creation of new materials with anti-icing and anti-frost properties. [Display omitted] [ABSTRACT FROM AUTHOR]

This multifunction CEM-CuO-STA sample demonstrates great potentials in the field of wastewater treatment, oil spill cleanup, and anti-biofouling ability. [Display omitted] Wastewater is typically complicated with spilled oil, water soluble toxic dyes and microorganisms, making it hard to be processed and causing a significant threat to the environmental safety and human health. In this paper, we demonstrate a simple solution immersion method to obtain a multifunctional cellulose-based membrane (CBM) that possesses both superhydrophobicity with a water contact angle of 163° and superior functionalities including self-cleaning, oil–water separation, anti-biofouling, and photocatalytic degradation capabilities. The achievement of separation efficiency (96%), comparatively high flux (141 L·m−2·h−1) and recyclable (7 times) oil/water separation performance is attributed to the robust superhydrophobicity enabled by the synergy of metal oxide (i.e., CuO) nanostructure coating and stearic acid (SA) modification. The superhydrophobic CBM also preferentially adsorbs organic dyes in aqueous solution, e.g., methylene blue (MB), promoting their efficient decomposition (about 70.3% of MB decomposed in 3 h) with high recyclability under UV irradiation. Most remarkably, the CBM exhibits superior anti-biofouling capability and persistently resists the algae adhesion in long duration (over 20 days), as a result of the self-cleaning ability as well as the antimicrobial property of CuO nanoparticles. Our finding here paves the way to use simple, cost-effective, environmentally safe, and reliable method to fabricate multifunctional materials for wastewater treatment in complex environments. [ABSTRACT FROM AUTHOR]

A series of TiO2 hollow sphere catalysts with or without nonmetal (B,P) dopants and Ag-modification were prepared through a sol-gel process with styrene-methyl methacrylate copolymer (PSMMA) microspheres as the template. The samples were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FESEM), transmission electron microscope (TEM), laser Raman spectroscopy (LRS), and UV/Vis diffuse reflectance spectroscopy (UV/Vis DRS), and their photocatalytic activities were evaluated by degradation of methylene blue (MB). Both B and P dopants could narrow the band gap of the TiO2 catalyst, and the loaded Ag only played the role of photoelectron transmitter. The two effects of the nonmetal dopants and the loaded Ag improved the photocatalytic activity of the TiO2 hollow spheres. Moreover, the hollow sphere structure and oxygen vacancies were beneficial to photocatalysis. Among all the catalysts prepared, Ag-modified (B,P)-codoped TiO2 hollow spheres exhibited the highest photocatalytic activity. [ABSTRACT FROM AUTHOR]

Through the reasonable design of the microstructure of superhydrophobic coatings, the solid-liquid contact area between the substrate and the liquid can be reduced, the penetration of corrosive medium into the liquid can be reduced, and the flow resistance can be lowered. In this paper, a bionic superhydrophobic composite coating of aluminum matrix material was prepared by the spraying method using KH550 coupling agent-modified silica (KH550@SiO 2) and stearic acid-modified titanium dioxide (STA@TiO 2) mixed with waterborne polyurethane. The performance was tested by water contact angle, drag reduction measurements, and electrochemical analysis. The composite coating has a droplet contact angle of 163.4° and a rolling angle of 4° and is extremely wettable. The synergistic effect of the air layer and coating densities resulted in excellent corrosion inhibition efficiency of the coating in a 3.5 wt % NaCl solution. In addition, the composite-coated spheres can form a continuous air cavity during water ingress, which is essential for extending the drag reduction capability of the coating in liquids. The design and preparation of superhydrophobic composite coatings have promising applications in large-area corrosion protection and voyage damping of metals. [Display omitted] • Dual nanoparticle superhydrophobic coating. • Superhydrophobic surface, drag reduction, corrosion resistance. • Synergistic enhancement of drag reduction and corrosion protection in marine environments. • A facile method for constructing scalable and low-cost superhydrophobic coating with anti-corrosion and drag-reduction properties. [ABSTRACT FROM AUTHOR]

Because 304 stainless steel is extensively used in everyday life, surface icing frost would cause annoyance; thus, the research on 304 stainless steel with frost inhibition is quite important. The superhydrophobic surface anti-frost is energy-saving and ecologically beneficial, but it also avoids typical defrosting, which reduces energy consumption, pollution, and other difficulties. As a result, the investigation of superhydrophobic surface frost inhibition performance offers promising practical potential. However, traditional manufacturing procedures for superhydrophobic surfaces have proven to be difficult and expensive, rendering them unsuitable for mass production. In this paper, a simple hydrothermal and sol-gel method were used to prepare the superhydrophobic surface wettability of 304 stainless steel and determine the frosting behavior of superhydrophobic ZnO, hydrophobic ZnO, hydrophilic ZnO, and 304 stainless steel sheets at low ambient temperatures. The frost resistance of superhydrophobic ZnO was studied. As a result, this study provides a novel idea for rationally designing frost-resistant superhydrophobic surfaces at low ambient temperatures. [Display omitted] • The superhydrophobic surface was prepared by sol-gel and chemical deposition method. • This sample shows physical/chemical/mechanical stability in harsh environments. • This sample shows excellent superhydrophobicity and anti- frosting properties. [ABSTRACT FROM AUTHOR]

A high-low heterojunction composite, oxygen vacancies BiOBr induced Bi precipitation Bi@O V -BiOBr/Cu 3 P with Bi-O-P chemical bond, was synthesized using a solvothermal method. Compared to single substance, the carrier lifetime and separation rate of Bi@O V -BiOBr/Cu 3 P were significantly improved. According to theoretical calculations and experimental results, Cu 3 P can be considered as a hole extractor to accelerate the separation of photogenerated carriers. The successful construction of Bi@O V -BiOBr/Cu 3 P high-low heterojunction with Bi metal can not only activate water molecules and reduce the dissociation energy barrier of water, but also separate and retain the highly reductive electrons. Bi metal and Cu 3 P with low valent play a crucial role in dual-channel charge transfer. Bi@O V -BiOBr/Cu 3 P exhibits the highest hydrogen evolution rate up to 723.85 μmol·cm−2·h−1. It also displays excellent photoelectrocatalytic hydrogen production stability. The boosting hydrogen production activity and stability of Bi@O V -BiOBr/Cu 3 P are attributed to the construction of high-low heterojunctions and the dual-channel charge transfer mechanism. [Display omitted] • Bi@O V -BiOBr/Cu 3 P high-low heterojunction connected by Bi-O-P bond was firstly prepared. • Bi@O V -BiOBr/Cu 3 P displays superior photoelectrochemical hydrogen evolution activity and stability. • Electron-hole dual-channel charge transfer effect facilitates swift charge separation and transfer. [ABSTRACT FROM AUTHOR]

The ecological restoration of rare earth mines and the management of rare earth tailings have consistently posed global challenges, constraining the development of the rare earth industry. In this study, Zeolite A is efficiently prepared from the tailings of an ion-type rare earth mine in the southern Jiangxi Province of China. The resulting Zeolite A boasts exceptional qualities, including high crystallinity, a substantial specific surface area, and robust thermal stability. The optimum conditions for Zeolite synthesis are experimental determination and the adsorption properties of Zeolite A for typical pollutants (Cd2+, Cu2+, NH 4 +, PO 4 3- and F-) in rare earth mines. The synthesised Zeolite A material is found to have strong adsorption properties. The adsorption mechanism is mainly cation exchange, and the priority of adsorption of pollutants is Cu2+> Cd2+ > NH 4 + > PO 4 3- > F-. Notably, the sodium Zeolite A material synthesized at room temperature can be effectively recycled multiple times. In summary, we propose a method to synthesise low cost and high adsorption zeolites using rare earth tailings. This will facilitate the reduction of rare earth tailings and the rehabilitation of rare earth mines. Our method has great potential as a rehabilitation technology for rare earth mines. [Display omitted] • Zeolite A was synthesised from RET (rare earth tailings). • Determine the optimal synthesis conditions for the synthesis of Zeolite A. • Cd2+, Cu2+, NH 4 +, PO 4 3- and F- were used as pollutants in rare earth mines. • Zeolite A has strong adsorption properties for pollutants. • Zeolite A is suitable for the remediation of rare earth mines. [ABSTRACT FROM AUTHOR]

Superhydrophobic coatings have broad application prospects in construction and building materials due to their unique water-repellency. However, the practical application of these coatings is limited by their fragile surface microstructure. To overcome this limitation, in this work, a long-lasting anti-corrosion superhydrophobic coating was prepared on aluminum alloy using a straightforward spraying method. Graphene oxide (GO) was loaded with cerium oxide (CeO 2), an inorganic corrosion inhibitor, and polydopamine (PDA) was used to improve the dispersion of GO. The strong adhesion ability of PDA greatly enhanced the mechanical properties of the superhydrophobic coating, resulting in a grade 5B adhesion. The inorganic corrosion inhibitor CeO 2 not only can effectively fill the defects inside the organic coating but also can release cerium ions to form insoluble precipitates to prevent further corrosion. Through the synergistic effect of the robust superhydrophobic surface and corrosion inhibitors, the impedance still reaches 107 Ω·cm2 after 27 days of immersion, indicating that the coating has long-lasting anti-corrosion ability. This simple method of preparing robust anti-corrosion coatings provides an effective strategy for the practical application of superhydrophobic coatings. • The wear-resistant superhydrophobic long-lasting anti-corrosion coating GO-PDA-CeO 2 /PU was prepared. • Polydopamine has been used to modulate the interfacial structure of coatings. • The low-cost green cerium oxide provide the coating with durable corrosion resistance. [ABSTRACT FROM AUTHOR]

Given the increasing contamination of freshwater supplies, it is essential to effectively treat industrial wastewater. However, treating industrial wastewater using a single method is challenging due to the presence of complex contaminants like petroleum, organic dyes, bacteria, and other complex contaminants. In this study, we present a straightforward and scalable approach to prepare multifunctional nanocellulose-based membranes (NM) that exhibit superhydrophobicity, self-cleaning, oil/water separation, photocatalysis, and anti-bioadhesion properties. To begin with, we created NM by extruding fiber slurry onto a stencil and drying it. Next, we built a polyurethane (PU)/ZIF‐8/1H, 1H, 2H, 2H‐perfluorooctyltriethoxysilane (POTS)-based superhydrophobic layer by spraying it over the NM's surface. By employing the aforementioned processes, we successfully integrated multiple functions into a single superhydrophobic NM. Our results demonstrate that the NM-PU/ZIF-8/POTS membrane exhibits superior hydrophobicity performance, with a high-water contact angle (166.8 ± 0.8°) and a low rolling angle (5 ± 0.3°). Moreover, these samples retain high-water contact angles and low rolling angles even in harsh environments such as acid and alkali solutions, high temperatures, abrasion resistance, UV aging resistance, bending and folding, tape peeling, and self-cleaning. The NM-PU/ZIF-8/POTS membrane also exhibits high and stable oil-water separation performance, with a separation efficiency of 94.6% and a relatively high separation flux (133.2 L·m−2·h−1). At the same time, the NM-PU/ZIF-8/POTS membrane exhibits water-in-oil emulsion separation ability. The membrane's stability, effectiveness, and reusability were demonstrated through ten repetitions of degradation experiments using aqueous methylene blue solution, with the NM-PU/ZIF-8/POTS membrane exhibiting an excellent degradation rate (>94%). Finally, the bioadhesion resistance test indicated a reduction of 69.1% in the adhesion rate of the NM-PU/ZIF-8/POTS membrane. Overall, the creation of the NM-PU/ZIF-8/POTS membrane serves as a useful inspiration for the practical application of superhydrophobic NM in multifunctional integration, while also broadening the scope of membrane applications. [Display omitted] • A simple strategy to manufacturing multifunctional superhydrophobic NM-PU/ZIF-8/POTS membranes. • This membrane has high separation efficiency and flux for a variety of oils. • This membrane had outstanding anti-biofouling performance against Chlorella. • The degradation and anti-fouling tests proved its photocatalytic and self-cleaning performances. [ABSTRACT FROM AUTHOR]

The superhydrophobic coating blocks a certain air layer between the solid surface and the liquid, thereby changing the interaction between the surface and water, and has potential applications in enhancing buoyancy and drag reduction. Consequently, a superhydrophobic coating designed to reduce drag (the contact angle was up to 168°) was prepared in this study. The coating was applied to copper mesh by spraying a mixed solution comprising ZIF-8 particles, waterborne polyurethane, and a silane coupling agent, resulting in a significant enhancement of load capacity. The superhydrophobic coating can change the contact mode between the copper mesh and water, leading to a remarkable sevenfold increase in the maximum load capacity when compared with the uncoated sample, primarily due to its' increased buoyancy. In addition, the self-made superhydrophobic model ship exhibited an impressive drag reduction efficiency of up to 36 %, indicating that it has significant drag reduction capability. It's worth noting that once water enters, the superhydrophobic spheres will form a gas cavity, which is critical for the coating's drag reduction capability. The self-cleaning property of this superhydrophobic composite coating is highly promising. Moreover, it can also purify seawater by utilizing ZIF-8's photocatalytic activity to degrade organic contaminant. Therefore, in the context of actual ships and underwater vehicles, this superhydrophobic coating holds potential as a relevant strategy for enhancing buoyancy and reducing drag, thus offering commercial value. [Display omitted] • ZIF-8/POTS coatings were prepared by simple chemical modification and spraying technology. • The WCA and SA of the Zif-8/pots coating were 168 ± 1° and 4°, respectively. • The coating exhibits excellent self-cleaning and photocatalytic properties. • The coating exhibits excellent floating and drag reduction properties. [ABSTRACT FROM AUTHOR]

Superhydrophobic coatings have numerous applications across various industries. However, there have been limited reports on superhydrophobic and smart coatings that possess multifunctionality and their applications in flexible sensing electronics. Herein, a Robust fabrication of superhydrophobic and photocatalytic self-cleaning flexible strain sensor membrane (Nanocellulose-based membrane/Graphene/Co(OH) 2 /Stearic acid (NM-G-Co(OH) 2 -STA)) for full-range human motion was developed by burshing and dip-coating method. The synergistic effect and strong interaction of Co(OH) 2 , STA, and Graphene lead to the formation of a highly conductive hierarchical structure on the surface of NM. As a result, a sensor with excellent conductivity stability and superhydrophobicity is achieved. The water contact angle (WCA) of this sensor membrane can reach 166°. The integration of these characteristics allows the sensor to operate effectively in challenging conditions, including bending, abrasion, high temperature, UV exposure, and contact with corrosive liquids. This sensor membrane possesses excellent self-cleaning, photocatalytic, and full-range human motion. This sensor membrane results in high photocatalytic degradation capacity (> 93%) for dyed wasterwater treatment. This sensor membrane integrates high sensitivity (GF = 137.25), fast response and recovery (response time is 151.01 ms, recovery time is 123.01 ms) and dynamic durability in a single system (stretching and bending at 131.3 mm/min for 300 s). Due to its excellent flexibility, high sensitivity, and broad sensing range, this sensor membrane is suitable for use as a wearable sensor to detect various human motions, including wrist, finger, and knuckle movements. Consequently, this material holds significant potential for applications in wearable electronics, measurement platforms, rainfall monitoring, and intelligent irrigation systems. [Display omitted] • A flexible, superhydrophobic and conductive strain sensor membrane is prepared. • The Co(OH) 2 nanoparticles and STA improve the mechanical properties of strain sensor membrane. • The strain sensor membrane excellent corrosion resistance and durability. • The strain sensor membrane showed great photocatalytic degradation activity. • The strain sensor membrane based strain sensor can detect various body motions. [ABSTRACT FROM AUTHOR]

The discharge of industrial oily wastewater is threats to the environment. A long-lasting Co(OH) 2 /stearic acid (STA)-based superhydrophobic/superoleophilic nanocellulose-based membrane (SSNM) for extremely effective oil/water and simultaneous removal of soluble dye was created to offer solutions to this problem. The mechanical durability of the prepared Co(OH) 2 /STA-based SSNMs was reinforced by depositing Co(OH) 2 and STA on the cellulose fibers. The Co(OH) 2 /STA-based SSNM shows a high water contact angle of 164 ± 2° and an oil contact angle of ∼0°, exhibiting excellent superhydrophobicity and superoleophilicity. With good usage stability, high separation efficiencies (>94.0%) and high separation fluxes (>130 L·m−2·h−1) were achieved for four oils. The separation flux and efficiency of N-hexane did not change obviously after repeated separation. Furthermore, it exhibited reliable photocatalytic ability, which contributed to the reduction of organic contamination. As a result, Co(OH) 2 /STA-based SSNM shows strong potential for practical applications such as oil/water separation and photocatalytic degradation of organic pollutants. [Display omitted] • We have effectively improved the hydrophobicity of nanocellulose membrane. • This superhydrophobic membrane possesses excellent superhydrophobicity and physicochemical durability. • Efficient membrane separation for dye wastewater and oil/water mixture. • Mussel-inspired membrane is utilized for industrial effluent removal. [ABSTRACT FROM AUTHOR]

The sensing stability of strain sensors in complex environments (e.g., humidity, raindrops) is limited by the influence of water molecules on their sensor performance. Equipping strain sensors with superhydrophobicity is a promising strategy to address this issue. In this work, a harsh environment-tolerant and robust superhydrophobic flexible graphene-based composite membrane (GCM/TPU/SiC/PFOTS—SFGCM) was fabricated via a convenient blending method and subsequent spraying method, in which thermoplastic polyurethane (TPU) was used as the matrix and chemically modified reduced graphene oxide as the conductive filler, GCM was prepared by a simple mixing process, and the mixed solution of TPU, SiC nanoparticles, and Perfluoroalkyltriethoxysilanes (PFOTS) was sprayed on the surface of GCM to prepare SFGCM. The SiC micro-nano particles in the middle layer form a rough structure, the TPU layer combines the loose SiC micro-nano particles together, and the PFOTS layer further combines the SiC nanoparticles to play a low surface energy role. This SFGCM has good superhydrophobicity with a water contact angle of 164° and excellent conductivity with a conductivity of 4.5 × 104 S/m. After being subjected to harsh environments, its superhydrophobicity, conductivity and ability to collect continuous signals may be nearly maintained. The SFGCM has a response time of 471.03 ms, a recovery time of 865.05 ms and a sensitivity of 141.4 under a 20% strain ratio, and a 113.1 m/min stretching speed. It may also be assembled as electronic skin to detect human body movements (such as the finger, wrist, and elbow), making it a suitable option for wearable electronics. This research paves the way for multifunctional wearable sensors that can provide fast response, long-term reliability and broad applications in harsh environments. [Display omitted] • A harsh environment-tolerant and robust SFGCM was fabricated by simple method. • The SFGCM still has good sensing performance after being in harsh environments. • The SFGCM can be assembled as electronic skin to detect human body movements. • This study paves a way for multifunctional wearable sensors in harsh environments. [ABSTRACT FROM AUTHOR]

The variation of the CA of the SPS at −5 °C. • The anti-icing behavior of static and dynamic low-temperature droplet on as-prepared surfaces was investigated. • Compared with the HPS, HS and pure Cu surface, the SPS had the best anti-icing performance. • This work offers a theoretical guidance for anti-icing application of microelectronic materials. The anti-icing behavior of static and dynamic low-temperature droplets on the surface of microelectronic material was investigated. The ZnO-coated superhydrophobic surface (SPS), hydrophobic surface (HPS), hydrophilic surface (HS) and pure Cu surface were prepared by hydrothermal method and ultraviolet light irradiation. Under the static and dynamic anti-icing condition, the SPS had excellent anti-icing ability before −20 °C. Even if the temperature was −20 °C, the SPS still have longest delayed icing time when compared with other three surfaces. This work offers a theoretical guidance for anti-icing application of microelectronic materials. [ABSTRACT FROM AUTHOR]

In this work, sulfation effect on NH3-SCR performance over CeO2 with different morphology (nanocubes and nanorods) was carefully studied. A morphology-sensitive sulfation effect on NH3-SCR activity was observed on CeO2. Interestingly, the NO removal efficiencies of CeO2 nanocubes and CeO2 nanorods got greatly enhanced after the sulfation at low-temperature range (< 350 °C). CeO2 nanorods exhibited a much higher NH3-SCR activity than that of CeO2 cubes. However, compared to CeO2 nanocubes, CeO2 nanorods suffered from a severe deactivation when sulfated at higher temperatures (> 350 °C). A series of characterizations such as N2 adsorption–desorption, XRD, HR-TEM, TG–DTA, Raman and in situ DRIFTS of SO2 + O2 adsorption were conducted to investigate the interactions between SO2 and nano-shaped CeO2. It was revealed that the morphology of CeO2 nanorods was damaged severely when sulfated at high temperature (> 350 °C), while the structure of CeO2 nanocubes was relatively stable under the same condition. Furthermore, more sulfate species were found on CeO2 nanorods than on CeO2 nanocubes, in particular of bulk like sulfate species. As a result, the NO removal efficiency of CeO2 nanorods declined greatly when sulfated at high temperature. [ABSTRACT FROM AUTHOR]

Traditional membranes are inefficient in treating highly toxic organic pollutants and oily wastewater in harsh environments, which is difficult to meet the growing demand for green development. Herein, the Co(OH) 2 @stearic acid nanocellulose-based membrane was prepared by depositing Co(OH) 2 on the nanocellulose-based membrane (NBM) through chemical soaking method, which enables efficient oil/water mixtures separation and degradation of pollutants by photocatalysis in harsh environments. The Co(OH) 2 @stearic acid nanocellulose-based membrane (Co(OH) 2 @stearic acid NBM) shows good photocatalytic degradation performance for methylene blue pollutants in harsh environment, and has significant degradation rate (93.66%). At the same time, the Co(OH) 2 @stearic acid NBM with superhydrophobicity and superoleophilicity also exhibits respectable oil/water mixtures separation performance (n-Hexane, dimethyl carbonate, chloroform and toluene) under harsh environment (strong acid/strong alkali), which has an excellent oil-water mixtures separation flux of 87 L·m−2·h−1 (n-Hexane/water) and oil-water mixture separation efficiency of over 93% (n-Hexane/water). In addition, this robust Co(OH) 2 @stearic acid NBM shows good self-cleaning and recycling performance. Even though seven oil-water separation tests have been carried out under harsh environment, it can still maintain respectable oil-water mixture separation rate and flux. The multifunctional membrane has excellent resistance to harsh environments, oil-water separation and pollutant degradation can be performed even in harsh environments, which provides a convenient way to treat sewage under harsh conditions efficiently and has great potential in practical application. • The multifunction nanocellulose-based membrane was prepared. • The membrane showed good oil/water separation ability in strong acid/alkali environment. • This membrane showed great photocatalytic degradation activity. [ABSTRACT FROM AUTHOR]

Efficient thermal management materials are an integral part of electronic devices and can quickly contribute to their heat dissipation, thereby greatly improving their reliability, stability and service life. However, the inherent hygroscopicity of the film surface sets obstacles to the reliability and structural stability of electronic devices. To address these issues, a bionic structural design was obtained by spraying a polyurethane/stearic acid/zinc oxide‑iron oxide composite powder (TPU/STA/ZnO@Fe 2 O 3) on the surface of graphene composite films. At the same time, the graphene composite film has a high in-plane thermal conductivity (up to 533 W−1·m−1·K−1) and is able to reduce the film surface temperature to room temperature within 5 s due to its highly ordered layered design and strong hydrogen bonding interactions. In addition, the composite film offers a range of advantages such as good hydrophobicity and electrical conductivity. With a water contact angle of up to 159.5 ± 2° and an electrical conductivity of up to 3 × 103 S/m in steady state, the results show that the superhydrophobic graphene composite film has good physical, chemical and mechanical stability, as well as self-cleaning capabilities. It also retains good flexibility and reliability under 350 bending cycles. In this regard, the development of graphene composite films with high thermal conductivity, high superhydrophobicity, good electrical conductivity and flexibility is expected to be used as thermally conductive materials, opening up a new path in the field of thermally conductive heat dissipation materials for electronic components. • A self-assembled graphene-based superhydrophobic and thermally conductive composite film was prepared. • The samples showed good physical/chemical/mechanical stability in harsh environment. • The samples show a surface thermal conductivity value of approximately 533 W-1·m-1·K-1, which has good thermal conductivity and heat dissipation. • The sample has a water contact angle of 159.5±2° and a rolling angle of 3°, exhibiting good self-cleaning properties. [ABSTRACT FROM AUTHOR]

Bimetallic AgPd nanoparticles have been synthesized before, but the interfacial electronic effects of AgPd on the photocatalytic performance have been investigated less. In this work, the results of hydrogen evolution suggest that the bimetallic AgPd/g‐C3N4 sample has superior activity to Ag/g‐C3N4 and Pd/g‐C3N4 photocatalysts. The UV/Vis diffuse reflectance spectroscopy, X‐ray photoelectron spectroscopy, CO adsorption diffuse reflectance FTIR spectroscopy, and FTIR results demonstrate that in the AgPd/g‐C3N4, the surface electronic structures of Pd and Ag are changed, which is beneficial for faster photogenerated electron transfer and greater H2O molecule adsorption. In situ ESR spectra suggest that, under visible light irradiation, there is more H2O dissociation to radical species on the AgPd/g‐C3N4 photocatalyst. Furthermore, DFT calculations confirm the interfacial electronic effects of AgPd/g‐C3N4, that is, Pdδ−⋅⋅⋅Agδ+, and the activation energy of H2O molecule dissociation on AgPd/g‐C3N4 is the lowest, which is the main contributor to the enhanced photocatalytic H2 evolution. Bimetallic photocatalysts: Bimetallic AgPd nanoparticles are loaded on g‐C3N4 for photocatalytic H2 evolution. The resultant AgPd/g‐C3N4 shows superior activity to the monometallic Ag/g‐C3N4 and Pd/g‐C3N4. The interfacial interaction between the metals is beneficial in accelerating photogenerated electron transfer, H2O molecule adsorption, and H2O dissociation, leading to enhanced photocatalytic H2O reduction to H2. [ABSTRACT FROM AUTHOR]

Complicated contaminants in wastewater, such as intractable oils, organic colors, and adhering organisms, have generated major environmental problems that are hazardous to ecosystems and human health, and wastewater purification is complex and difficult to achieve with a single substance or single process. A facile yet environmentally friendly technique for fabricating a superhydrophobic, oil-water separation, anti-bioadhesion, and photocatalytic Pulp/cellulose nanofibers (CNFs) membrane for all-in-one wastewater treatment is presented here. In this strategy, the hierarchical micro/nanostructured CeO 2 nanoparticles and stearic acid (STA)-coated Pulp/CNF (Pulp/CNF-CeO 2 -STA) membrane is fabricated via a straightforward and easy-to-operate coating method, which simultaneously endows the membrane with superwetting ability, good oil-water separation capacity, notable photocatalytic degradation capacity, and outstanding anti-bioadhesion action. According to the experimental results, the suitably prepared Pulp/CNF-CeO 2 -STA membrane displayed superior superhydrophobicity (water contact angle: 166 ± 2°), high separation efficiency (88%), and high throughput (73 L·m−2·h−1). This Pulp/CNF-CeO 2 -STA membrane also showed significant photocatalytic degradation (>94%) of organic dye pollutants in water, as well as good anti-bioadhesive performance against Chlorella. As such, it serves several functions in wastewater treatment, considerably simplifying installation and saving money in application. In conclusion, this unique coating process is environmentally benign and very practicable, paving the door for the development of multi-functional materials in environmental treatments. [Display omitted] • A facile coating process for the production of Pulp/CNF-CeO 2 -STA membrane. • This membrane exhibits good oil/water separation for different oil density. • This membrane was found to be anti-bioadhesive to Chlorella. • The degradation test of methylene blue proved its photocatalytic performance. [ABSTRACT FROM AUTHOR]

Non-noble-metallic Ni 2 P modified BiOBr with oxygen vacancy (O V) was synthesized by solvothermal method to construct novel O V -BiOBr/Ni 2 P nanoheterojunction. Compared with O V -BiOBr, the photoelectrochemical hydrogen evolution of O V -BiOBr/Ni 2 P was significantly improved. O V -BiOBr/Ni 2 P-2% showed the best hydrogen evolution rate of 455.34 μmol · cm−2 · h−1 without sacrificial agent, which was 5.94 times that of O V -BiOBr and 12.88 times that of pristine BiOBr. It was found that an appropriate amount of Ni 2 P loading enabled the closely contacted O V -BiOBr/Ni 2 P to have an optimal O V concentration, which realized the rapid electron-hole separation, simultaneously, the successful loading of Ni 2 P can effectively enhance the light absorption capacity. The formation of Bi-O-P chemical bond and nanoheterojunctions jointly promote electron transfer and inhibit carrier recombination. Density functional theory (DFT) calculations find that the hydrogen adsorption free energy of O V -BiOBr/Ni 2 P heterojunction is the lowest in this system. This study will provide some guidance for efficient photoelectrochemical hydrogen evolution without sacrificial agent. [Display omitted] • Concentration of oxygen vacancy can be regulated by Ni 2 P content in O V -BiOBr/Ni 2 P. • Bi-O-P chemical bond and O V -BiOBr/Ni 2 P heterojunction promote electron transfer. • O V -BiOBr/Ni 2 P displays boosting PEC hydrogen evolution without sacrificial agent. [ABSTRACT FROM AUTHOR]

In this work, CeO 2 nanocubes hybridized g-C 3 N 4 composites had been facilely synthesized to investigate the interfacial effects on photocatalytic water splitting. The c-CeO 2 /g-C 3 N 4 composites exhibited the superior photocatalytic hydrogen evolution under visible light irradiation. The optimal c-CeO 2 loading content was 5 wt%, with the H 2 evolution of 4300 μmol g −1 for 5 h illumination, higher than that of pristine CeO 2 , g-C 3 N 4 and irregular CeO 2 nanoparticles/g-C 3 N 4 . Moreover, UV–vis DRS, PL spectra and photoelectrochemical measurements demonstrated that 5 wt% c-CeO 2 /g-C 3 N 4 composite possessed more visible light adsorption and faster charge transfer, which was attributed to the stronger interfacial effects through the presence of the hydrogen bond and p-π hybrid between c-CeO 2 {100} and g-C 3 N 4 , revealed by the FT-IR and XPS results. The work suggested that engineering the structures of the CeO 2 and g-C 3 N 4 interface could be an effective strategy to obtain excellent photocatalysts. [ABSTRACT FROM AUTHOR]

Pentacene takes lying-down geometry on flat graphene yet takes standing-up geometry on the curved graphene, leading to significant differences in morphology of organic thin film. [Display omitted] • Uniaxial tensile strain was revealed in graphene with nano-sized ripples; • Pentacene molecules take standing-up geometry on graphene with nano-sized ripples; • The curvature and strain of graphene are collectively responsible standing-up geometry of pentacene. Molecule packing behavior at organic and graphene interface is essential for graphene-based organic electronics since charge carriers are transported within the very few organic layers nearest to graphene substrate. Although organic molecules especially the ones with planar aromatic rings usually adopt recumbent geometry on graphene substrate owning to the maximized π-π interaction, the alignment of organic molecules may be influenced by modifying the interfacial nature between organic molecules and graphene. Here, epitaxy growth of two-dimensional ultra-thin pentacene film with standing-up molecular geometry was observed for the first time on graphene with periodic nano-sized buckling structure. The curvature and strain of graphene was found collectively responsible for the standing-up geometry of pentacene and its oriented growth on graphene surface. This study provides a feasible way for controlling molecular epitaxy on 2D materials interfaces toward functional heterostructures. [ABSTRACT FROM AUTHOR]

Bio-based membranes for removing organic dye and microorganism-containing complicated oil-water effluents simultaneously are sustainable, low-cost, renewable, biodegradable, and nontoxic. Here, a robust, sustainable and molecular-level superhydrophobic Pulp/cellulose nanofiber (CNF) composite membrane (SPCCM) via crosslinking of nanofibers and coating ZnO suspensions for accomplishing this purpose is proposed. The results show that this designed SPCCM has superior superhydrophobicity (water contact angle: 163 ± 2°) and superoleophilicity (oil contact angle: 0 °), which has a great separation efficiency for separating oil-water mixture (92 %) and a high flux (1435 L·m−2·h−1·bar−1). Moreover, SPCCM showed good durability in harsh environment (such as: bending, corrosion solution, temperature, etc). It also showed that the synergistic impact of electrostatic adsorption and ZnO photocatalyst is responsible for the high degradation capacity (Degradation under visible light using 300 w xenon lamp, high degradation efficiency up to 98 %). Furthermore, the SPCCM had a high level of anti-biofouling for microorganisms. Thus, the SPCCM mainly derived from sustainable pulp fibers showed potential performance for oil/water separation and water purification. [Display omitted] • A simple method has been developed to prepare Pulp/CNF composite membrane (CM). • ZnO can construct superhydrophobic coating on the CM surface. • The CM exhibits good mechanical and chemical robustness. • The CM possesses excellent self-cleaning ability. • The CM shows efficient emulsions' separation, photocatalytic degradation property. [ABSTRACT FROM AUTHOR]

In order to improve the carrier transfer driving force and separation efficiency, O V -BiOBr/Cu 2−x S high-low junction with double defects (Oxygen vacancy and Copper vacancy) was successfully prepared by a facile two-step solvothermal in situ growth technique. O V -BiOBr/Cu 2−x S-0.2 showed the highest hydrogen evolution rate (509.75 μmol · cm−2 · h−1), which was 12.45, 6.94 and 3.44 times that of pure BiOBr, O V -BiOBr and BiOBr/Cu 2−x S composite, respectively. Obvious free radicals (· OH and · O 2 -) were observed in the dark state for the first time. Theoretical and experimental results demonstrate that the charge imbalance within O V -BiOBr/Cu 2−x S intensifies after the introduction of the double defects, resulting in enhanced interfacial polarization phenomena. Boosted photoelectrochemical hydrogen evolution activities were achieved with the synergistic effect of the internal electric field and polarization electric field. This study will lay a scientific and experimental foundation for the preparation of high-performance photoelectrochemical anode materials with double defect heterojunction. [Display omitted] • Novel O V -BiOBr/Cu 2−x S type I high-low junction with double defects was successfully prepared. • Obvious free radicals were observed in the dark state for the first time. • Interfacial polarization induced by double defects in O V -BiOBr/Cu 2−x S high-low junction. • Boosted hydrogen evolution and dark radicals are attributed to the enhanced polarization. [ABSTRACT FROM AUTHOR]

Colorful superhydrophobic coating with high durability and versatility has been receiving tremendous attention in decorative applications. A one-step spraying method for fabricating colorful superhydrophobic nanocellulose-based membrane (CSNBM) with high durability, high-efficiency oil/water separation and oil spill cleanup is established by using octadecyltrichlorosilane (OTS), pigment dispersions and n-hexane. The color diversity and depth of the CSNBM are regulated by adjusting the dosage of pigment dispersions. Due to the stoichiometrically regulated reaction of long-chain organosilanes with water, which produces micro to nanoscale hierarchical siloxane aggregates dispersible in industrial solvents, the colorful coating securely clings to the NBM surface to form CSNBM. Even after several severe testing, this CSNBM is proven to be exceedingly resilient, with no substantial decrease in superhydrophobicity (pH soultion test, wear abrasion, blending test and UV irradiation). Furthermore, this CSNBM can be employed to create various colorful paintings. This CSNBM can also be used to separate diverse oil/water combinations with high efficiency. Moreover, this CSNBM had excellent anti-fouling properties in a variety of liquids, including water, orange juice, coffee, tea, milk, and cola. This strategy will pave the way for the huge potential application in technological design or decoration, as well as hasten their commercialization in near future. [Display omitted] • Colorful superhydrophobic coating with excellent robustness has been developed. • The superhydrophobic coating exhibited excellent anti-fouling performance. • The superhydrophobic coating possessed superior environmental durability. • The storage stability of painted superhydrophobic artworks was greatly improved. • These painted superhydrophobic coatings can be easily applied in multiple industries. [ABSTRACT FROM AUTHOR]

Polyurethane (PU) coatings with excellent corrosion resistance and wear resistance are regularly used in furniture coating, metal corrosion protection, electronic device protection and other fields. However, due to the shortcomings of low hydrophobicity and thermal stability, PU coatings are limited to be widely used as waterproof and breathable materials. This is expected to be improved by nanoparticles with high thermal conductivity and robust properties, such as silicon carbide (SiC). Here, the SiC-enhanced PU composite coatings modified by perfluorooctyltriethoxysilane (PFOTS) were successfully fabricated by spraying. The dispersion of SiC after chemical grafting modification of PFOTS in PU was significantly improved. The hard SiC particles provided a special micro-nano structure on the surface of the PU coating, altering the wettability of the coating from hydrophilic to superhydrophobic. The 125 wt% F-SiC/PU composite coating showed the best superhydrophobic properties with good wear resistance, anti-stripping ability, thermal stability, salt spray resistance and acid/base resistance, which depends on the uniform dispersion of SiC with high hardness and high thermal conductivity in the PU coating. The 125 wt% F-SiC/PU composite coating can present superhydrophobic properties on different substrates, such as aluminum alloy, ceramic, plastic sheet and filter paper, and have certain anti-fouling properties. This research provides a new strategy for the development of wear-resistant and anti-fouling PU superhydrophobic coatings. [Display omitted] • The F-SiC/PU composite coating showed superhydrophobic properties on various substrates. • The dispersion of SiC after chemical grafting modification of PFOTS in PU was significantly improved. • The hard SiC particles provided a special micro-nano structure on the surface of the PU coating. • The 125 wt% F-SiC/PU composite coating excellent anti-fouling, mechanical, thermal, chemical properties. [ABSTRACT FROM AUTHOR]

Surface coating technology has been widely used in anti-corrosion field. A well-stacked layered material offers a strong barrier and labyrinth effect to improve the corrosion resistance of organic coatings. However, as a typical layered material, the hydrotalcite dispersion is unstable and prone to delamination. Herein, a strategy for grafting chitosan on graphene oxide and then electrostatic self-assembling with hydrotalcite was proposed. The graphene oxide was modified with chitosan to enhance its barrier performance and corrosion resistance, and then hydrotalcite was coated on the surface of graphene oxide through electrostatic self-assembly to improve the dispersion of hydrotalcite and the interfacial compatibility with resin. At the same time, PO 4 3− between the hydrotalcite layers provides the coating with self-healing ability. Chitosan, graphene oxide and hydrotalcite nano-hybrid materials were introduced into waterborne polyurethane, and a corrosion-resistant coating with a thickness of about 40 μm was prepared. Excellent anti-corrosion behaviors were obtained through the synergistic effect of graphene oxide and hydrotalcite stacking due to the formation of a dense protective layer and the self-healing characteristics of chitosan and phosphate ions. This new type of waterborne polyurethane composite coatings offers broad application prospects in the research and development of high-performance self-healing anti-corrosive coatings. [Display omitted] • The self-healing anti-corrosion coating MAGO-TMCHT@PIH/WPU were prepared. • The loading of chitosan not only enhances the corrosion resistance of the coating, but also improves the adhesion between the resin and the inorganic substance. • Excellent anti-corrosion effect were obtained through the synergistic effect of GO and hydrotalcite stacking due to the formation of a dense protective layer and the self-healing characteristics of chitosan and phosphate ions. [ABSTRACT FROM AUTHOR]