期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 21, 页码 7102-7106出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201902634
关键词
carbon nitride; electron transport; photocatalysis; water splitting; Z-scheme systems
资金
- National Key Technologies R & D Program of China [2018YFA0209301]
- Chang Jiang Scholars Program of China [T2016147]
- National Natural Science Foundation of China [21425309, 21761132002, 21861130353]
- 111 Project [D16008]
The charge transfer between hydrogen evolution photocatalysts (HEPs) and oxygen evolution photocatalysts (OEPs) is the rate-determining step that controls the overall performance of a Z-scheme water-splitting system. Here, we carefully design reduced graphene oxide (RGO) nanosheets for use as solid-state mediators to accelerate the charge carrier transfer between HEPs (e.g., polymeric carbon nitride (PCN)) and OEPs (e.g., Fe2O3), thus achieving efficient overall water splitting. The important role of RGO could also be further proven in other PCN-based Z-systems (BiVO4/RGO/PCN and WO3/RGO/PCN), illustrating the universality of this strategy.
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