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Crystal facet modulation of Bi2WO6 microplates for spatial charge separation and inhibiting reverse reaction.
Adenle, Abraham; Zhou, Hongpeng; Tao, Xiaoping; Zhao, Yue; Shi, Ming; Zeng, Bin; Qu, Jiangshan; Li, Rengui; Li, Can.
Afiliação
  • Adenle A; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian, 116023, China. rgli@dicp.ac.cn.
  • Zhou H; University of Chinese Academy of Sciences, Beijing 100049, China.
  • Tao X; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian, 116023, China. rgli@dicp.ac.cn.
  • Zhao Y; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian, 116023, China. rgli@dicp.ac.cn.
  • Shi M; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian, 116023, China. rgli@dicp.ac.cn.
  • Zeng B; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian, 116023, China. rgli@dicp.ac.cn.
  • Qu J; University of Chinese Academy of Sciences, Beijing 100049, China.
  • Li R; State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian, 116023, China. rgli@dicp.ac.cn.
  • Li C; University of Chinese Academy of Sciences, Beijing 100049, China.
Chem Commun (Camb) ; 57(88): 11637-11640, 2021 Nov 04.
Article em En | MEDLINE | ID: mdl-34668908
ABSTRACT
We experimentally demonstrated that spatial charge separation can take place between the {010} and {001} facets of Bi2WO6 microplates. Further assembly of the reduction and oxidation cocatalysts leads to a remarkable enhancement of photocatalytic water oxidation activity in the presence of Fe3+ ions while the reverse oxidation of Fe2+ to Fe3+ ions is totally inhibited. The origin of the driving force is theoretically proven to be the difference in surface work function between the co-exposed facets, which shows a feasible strategy for developing efficient photocatalysts for solar energy conversion.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2021 Tipo de documento: Article
Texto completo
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2021 Tipo de documento: Article