Abstract
AbstractMonolithic plate‐type photocatalyst with excellent light absorption, abundant active sites and strong mechanical adhesion is the growing trend of photocatalysis application, as referring to a photovoltaic panel. In this study, we report a large‐scale Pt/N−TiO2/Ti photocatalytic plate with granular and mesoporous structure, which shows a superior photocatalytic performance and adhesion than nanowires and nanosheets photocatalysts. The outstanding photocatalytic performance of Pt/N−TiO2/Ti is attributed to the large exposed surface area, enhanced light absorption, high separation efficiency of photogenerated carriers and excellent surface activity induced by single Pt atom cocatalyst. The best Pt/N−TiO2/Ti sample could exhibit an outstanding photocatalytic hydrogen production activity of 72547.9 μmol ⋅ h−1 ⋅ g−1, and a high apparent quantum efficiency of 47.07 % under a 350 nm light irradiation. It can be anticipated that the proposed method and insights would pave a solid way on the development and application of superior TiO2 based photocatalytic plate.
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