期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 44, 页码 15580-15582出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201909669
关键词
charge separation; orbital hybridization; oxysulfides; photocatalyst durability; surface engineering
资金
- National Natural Science Foundation of China [21761132002, 21425309]
- National Key R&D Program of China [2018YFA0209301]
- 111 Project [D16008]
- Max Planck Society
Photocatalytic overall water splitting by sulfide-based materials is a great challenge because of the poor resilience of such materials against hole oxidation. In a recent study, Domen and co-workers developed an innovative strategy to stabilize sulfide-based photocatalysts by hybridizing S 3p with O 2p orbitals to produce oxysulfides in which S2- is stable. Further surface engineering of the oxysulfides with dual co-catalysts promoted charge separation and interface transfer, thus reducing the charge build-up that inhibits photocorrosion. The pH value of the reaction mixture is a critical consideration for achieving efficient stoichiometric H-2 and O-2 evolution by these oxysulfide photocatalysts.
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