A review of metal oxide-based Z-scheme heterojunction photocatalysts: actualities and developments

被引：320

作者：

Yuan, Ye ^{[1
]}

Guo, Rui-tang ^{[1
,2
]}

Hong, Long-fei ^{[1
]}

Ji, Xiang-yin ^{[1
]}

Lin, Zhi-dong ^{[1
]}

Li, Zheng-sheng ^{[1
]}

Pan, Wei-guo ^{[1
,2
]}

机构：

[1] Shanghai Univ Elect Power, Coll Energy & Mech Engn, Shanghai, Peoples R China

[2] Shanghai Engn Res Ctr Power Generat Environm Prot, Shanghai, Peoples R China

来源：

MATERIALS TODAY ENERGY | 2021年 / 21卷

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

Metallic oxide; Z-scheme heteroarchitecture; Electron mediators; Photocatalytic application; Preparation; STATE Z-SCHEME; IN-SITU SYNTHESIS; HIGHLY-EFFICIENT; OXYGEN-VACANCY; CO2; REDUCTION; HIERARCHICAL PHOTOCATALYST; HYDROGEN GENERATION; ELECTRON MEDIATOR; CHARGE-TRANSFER; DEGRADATION PERFORMANCE;

D O I：

10.1016/j.mtener.2021.100829

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Metal oxide-based Z-scheme heterojunction photocatalyst can effectually separate electrons and holes and simultaneously ensure that photocatalysts can maintain appropriate conduction band (CB) and valence band (VB) positions, thus maintaining a strong redox capacity. This article introduced the mechanism and types of Z-scheme heterojunction photocatalysts. Nevertheless, direct Z-scheme photocatalytic mechanism was gradually replaced by new S-scheme heterojunction mechanism. Thus, this review also briefly discussed the improved Z-scheme mechanism, that is, S-scheme heterojunction, so that the mechanism of the charge transfer process could be understood more intuitively and clearly. Then we emphatically summarized the applications of different types of heterojunctions in the field of photocatalysis, ranging from environmental remediation to energy conversion. In addition, several typical traditional methods and new strategies for preparing Z-scheme heterojunctions were summed up. Finally, the breakthrough and development prospect of Z-scheme heterojunction were discussed. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页数：28

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