Oxygen Vacancy Engineering in Photocatalysis

Photocatalysis, which converts natural solar energy into chemical energy, has emerged as one of the most appealing technologies in the past decades. However, photocatalytic performances are limited by the poor absorption of visible light, charge‐carrier recombination during migration, and a high ene...

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Bibliographic Details
Published in:Solar RRL 2020-08, Vol.4 (8), p.n/a
Main Authors: Huang, Yanmei, Yu, Yu, Yu, Yifu, Zhang, Bin
Format: Article
Language:English
Subjects:
charge-carrier separation
light absorption
oxygen vacancy engineering
photocatalysis
surface reactions
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Summary:Photocatalysis, which converts natural solar energy into chemical energy, has emerged as one of the most appealing technologies in the past decades. However, photocatalytic performances are limited by the poor absorption of visible light, charge‐carrier recombination during migration, and a high energy barrier for activating reactants. Oxygen vacancies in semiconductive metal oxides are reported to be vital to improve their photocatalytic efficiency. In this regard, this review provides a concise overview of oxygen vacancies in transition metal oxides in photocatalytic systems, including their functions, construction strategies, characterization methods, and applications. Moreover, an outlook on the current challenges and promising opportunities in this field is provided. Oxygen vacancy engineering in semiconductive metal oxides is reported to be vital to improve photocatalytic efficiency. This review provides a concise overview of oxygen vacancies in transition metal oxides in photocatalytic systems, including their functions, construction strategies, characterization methods, and applications. Moreover, an outlook on the current challenges and promising opportunities in this research area is provided.
ISSN:2367-198X
2367-198X
DOI:10.1002/solr.202000037