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Ag/mesoporous black TiO2 nanotubes heterojunctions (Ag‐MBTHs) were fabricated through a surface hydrogenation, wet‐impregnation and photoreduction strategy. The as‐prepared Ag‐MBTHs possess a relatively high specific surface area of ≈85 m2 g−1 and an average pore size of ≈13.2 nm. The Ag‐MBTHs with a narrow band gap of ≈2.63 eV extend the photoresponse from UV to the visible‐light and near‐infrared (NIR) region. They exhibit excellent visible‐NIR‐driven photothermal catalytic and photocatalytic performance for complete conversion of nitro aromatic compounds (100 %) and mineralization of highly toxic phenol (100 %). The enhancement can be attributed to the mesoporous hollow structures increasing the light multi‐refraction, the Ti3+ in frameworks and the surface plasmon resonance (SPR) effect of plasmonic Ag nanoparticles favoring light‐harvesting and spatial separation of photogenerated electron–hole pairs, which is confirmed by transient fluorescence. The fabrication of this SPR‐enhanced visible‐NIR‐driven Ag‐MBTHs catalyst may provide new insights for designing other high‐performance heterojunctions as photocatalytic and photothermal catalytic nanomaterials. Responding strongly: Ag/mesoporous black TiO2 hollow nanotube heterojunctions with wide‐spectrum response (≈2500 nm) were fabricated through a wet‐impregnation and photoreduction strategy. They exhibit excellent visible‐NIR‐driven photocatalytic and photothermal catalytic performance and long‐term stability, due to the synergistic effect of efficient surface hydrogenation, hollow structured TiO2, formation of heterojunctions, and surface plasmon resonance of Ag. [ABSTRACT FROM AUTHOR]

Uniform black TiO2 nanothorns/graphene/black TiO2 nanothorns sandwichlike nanosheets (denoted as G@BTN) are fabricated through facile solvothermal approach and subsequent surface hydrogenation, in which the black TiO2 nanothorns vertically grow on the surface of two sides of graphene and form the sandwichlike structure. The rational control of hydrolysis and condensation of Ti precursors results in a uniform coating of amorphous TiO2 seeds, which then vertically grow in TiO2 nanothorns. After surface hydrogenation, the resultant G@BTN materials, with uniform sandwichlike configuration and narrow band gap of approximately 2.81 eV, can extend the photoresponse from the ultraviolet to the visible-light region and exhibit an excellent solar-driven photocatalytic performance for the degradation of the highly toxic pesticide atrazine (99 %). The first-order rate constant ( k) of G@BTN (0.863 h−1) is about three times as high as that of black TiO2 nanothorns (0.287 h−1), which implies the significant role of the introduction of graphene for improving the photocatalytic performance. The high solar-driven photocatalytic performance is ascribed to the formed Ti3+ in frameworks and surface disorders enhancing the absorption of solar light, and the sandwichlike structure favoring the separation and transportation of photogenerated charge carriers. [ABSTRACT FROM AUTHOR]