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A novel Ag 3 PO 4 /CuO nanocomposite photocatalyst was synthesized via a facile in-situ precipitation technique. The as-synthesized products were characterized by XRD, SEM, TEM and UV–vis spectroscopy. The result confirmed that Ag 3 PO 4 and CuO have been composited successfully. The degradation efficiency of Rhodamine B (RhB) over commercial P25 or pure CuO was only about 22% and 46%. Compared with pure Ag 3 PO 4 , the Ag 3 PO 4 /CuO nanocomposite needed less time to degrade RhB completely, showing the best photocatalytic activity. This enhancement was attributed to the coupling of Ag 3 PO 4 and CuO, which improve the transfer of photoexcited carriers, inhibit their recombination and facilitate the production of more • OH radicals.

The Bi2S3-ZnIn2S4 nanocomposites have been prepared through hydrothermal method. The structure, morphology, and composition properties of the as-prepared samples were characterized using X-ray powder diffraction, UV−vis spectrophotometer, transmission electron microscopy, scanning electron microscopy and energy dispersive X-ray analysis. Compared with pristine ZnIn2S4 nanosheets, the Bi2S3-ZnIn2S4 nanocomposites displayed higher photocatalytic conversion efficiency of CO2 into methyl formate using methanol as solution of absorbing CO2 and reducing agent. In addition, the methyl formate production rates achieved an optimal value over Bi2S3-ZnIn2S4 (2 wt%).

Highly ordered self-assembled Mn(PAN) 2 hierarchical superstructure assembled by nanobelts with width of 100–400 nm and length of 4–5 μm has been synthesized via a facile and additive-free solvothermal method. The as-synthesized Mn(PAN) 2 was characterized by elemental analysis (EA), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The solvent type and reaction time play an important part in the morphologies of the final sample. A possible growth process for self-assembled Mn(PAN) 2 hierarchical superstructure is proposed. It is shown that the self-assembled Mn(PAN) 2 hierarchical superstructure was formed through oriented attachment of nanobelts.

Carambolla-like CuO hierarchical nanostructures with diameter of about 200 nm and length of 600 nm have been successfully synthesized through a fast and facile sonochemical method. The morphology, crystallinity and size of the as-prepared products were confirmed by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM). The growth mechanism of carambolla-like CuO nanostructures is discussed by monitoring different reaction times. It is shown that the carambolla-like CuO nanostructures are formed through oriented attachment of nanowires. In addition, the nonlinear optical property of carambolla-like CuO nanostructures has also been investigated, indicating that these nanomaterials have potential future application in nonlinear optics.

SrWO4 nanobelts have been synthesized via a facile and fast sonochemical route. The samples were characterized by XRD, SEM and TEM techniques. Experimental results showed that the concentration of Na2EDTA and high-intensity ultrasonic irradiation played important roles in controlling the morphologies of SrWO4. Room-temperature photoluminescence of SrWO4 with various morphologies have also been investigated. Results showed that SrWO4 nanobelts possessed good photoluminescent properties, suggesting that SrWO4 nanobelts could be used in novel optoelectronic devices.

8-Hydroxyquinoline cadmium (Cdq 2 ) nanobelts with width of 100–200 nm and lengths of 0.5–2 μm have been successfully synthesized through a facile solvothermal method at 120 °C for 24 h. The composition, morphology and structure of the as-prepared products were confirmed by X-ray powder diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Experiment results indicated that the concentration of ethanol played an important effect in the morphology of the final products. Moreover, the electrogenerated chemiluminescence (ECL) properties of the Cdq 2 sample with different morphologies were investigated. The ECL spectra show that the Cdq 2 nanobelts exhibited excellent electrogenerated chemiluminescence (ECL) behavior.