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- W2895811130 abstract "The relatively low charge transfer efficiency remains the critical limiting factor for the practical application of solar-driven water splitting. In this work, a promising photocatalyst intensified by dual cocatalysts was developed via separately loading Au nanoparticles and CoP nanosheets onto the inside and outside surface of three dimensionally ordered macroporous (3DOM) g-C3N4 framework to significantly facilitate the ordered transfer of charges. The spatial positioning of dual cocatalysts and average wall thickness of 3DOM g-C3N4 framework were precisely controlled to reveal the optimal distribution position of Au and CoP as well as the most appropriate transfer distance for charges (from 3DOM g-C3N4 walls to the surface of cocatalysts), respectively. The results show that the spatial positioning effect of dual cocatalysts and optimization of charge transfer distance can endow the CoP/3DOM g-C3N4/Au photocatalyst with an excellent charge transfer efficiency, thereby contributing to high apparent quantum efficiency (AQE, 27.6% at 435 nm and 29.9% at 550 nm) and photocatalytic H2 evolution activity of 11,820.1 μmol h−1 g−1, which is up to 619.9, 6.5 and 5.6 times than that of 3DOM g-C3N4, CoP/3DOM g-C3N4 and 3DOM g-C3N4/Au, respectively. This work would provide a new platform to design high-performance artificial photocatalysts with superior charge transfer capacity." @default.
- W2895811130 created "2018-10-26" @default.
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- W2895811130 date "2019-04-01" @default.
- W2895811130 modified "2023-10-10" @default.
- W2895811130 title "Spatial positioning effect of dual cocatalysts accelerating charge transfer in three dimensionally ordered macroporous g-C3N4 for photocatalytic hydrogen evolution" @default.
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- W2895811130 doi "https://doi.org/10.1016/j.apcatb.2018.10.029" @default.
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