The Mechanism of Piezocatalysis: Energy Band Theory or Screening Charge Effect?

被引：333
作者：
Wang, Kai [1 ,2 ]
Han, Chen [2 ]
Li, Jiaquan [2 ]
Qiu, Jieshan [1 ]
Sunarso, Jaka [3 ]
Liu, Shaomin [1 ,2 ]
机构：
[1] Beijing Univ Chem Technol, Coll Chem Engn, Beijing Adv Innovat Ctr Soft Matter Sci & Engn, Beijing 100029, Peoples R China
[2] Curtin Univ, WA Sch Mines Minerals Energy & Chem Engn, Perth, WA 6102, Australia
[3] Swinburne Univ Technol, Fac Engn Comp & Sci, Res Ctr Sustainable Technol, Sarawak Campus, Kuching Sarawak 93350, Malaysia
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2022年 / 61卷 / 06期
关键词：
energy band theory; mechanism; piezocatalysis; piezopotential; screening phenomenon; CATALYTIC-ACTIVITY; REDOX REACTIONS; PIEZO; DEGRADATION; NANOSTRUCTURES; PIEZOTRONICS; ENHANCEMENT; PERFORMANCE; REDUCTION; DEVICES;
D O I：
10.1002/anie.202110429
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Piezocatalysis, a newly emerging catalysis technology that relies on the piezopotential and piezoelectric properties of the catalysts, is attracting unprecedented research enthusiasm for applications in energy conversion, organic synthesis, and environmental remediation. Despite the rapid development in the past three years, the mechanism of piezocatalysis is still under debate. A fundamental understanding of the working principles of this technology should enable the future design and optimization of piezocatalysts. Herein, we provide an overview of the two popular theories used to explain the observed piezocatalysis: energy band theory and screening charge effect. A comprehensive discussion and clarification of the differences, relevance, evidence, and contradiction of the two mechanisms are provided. Finally, challenges and perspectives for future mechanistic studies are highlighted. Hopefully, this Review can help readers gain a better understanding of piezocatalysis and enable its application in their own research.
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页数：13
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