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云师大化工学院赵学博士在top期刊《Coordination Chemistry Reviews》发表第二篇综述文章

已有 609 次阅读 2024-4-13 12:01 |个人分类:云师大研究|系统分类:论文交流

2024年4月11日,Elsevier 旗下top期刊《Coordination Chemistry Reviews》在线发表了浙江海洋大学周英堂教授、云南师范大学化学与化工学院高端引进人才赵学博士、浙江海洋大学周英堂教授、井冈山大学贺俐l等合作的最新研究成果《Progress in preparation, identification and photocatalytic application of defective g-C3N4》。浙江海洋大学周英堂教授、云南师范大学化学与化工学院高端引进人才赵学博士、井冈山大学贺俐为共同通讯作者。中国电子科技大学为合作单位。

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Abstract

Graphitized carbon nitride (g-C3N4) has gained increasing prominence as a metal-free photocatalyst with a suitable bandgap. The limited absorption range of visible light and the fast complexation rate of photoexcited carriers of g-C3N4 hinder its photocatalytic activity. Fortunately, defect engineering of g-C3N4 can effectively enhance photogenerated electron migration. Therefore, optimizing the electronic structure and bandgap width by introducing vacancies can significantly improve the photocatalytic performance of g-C3N4. While the significance of defect engineering for enhancing the photocatalytic efficiency of g-C3N4 cannot be neglected, to date, there is a lack of comprehensive review articles including the applications of defective g-C3N4 in photocatalysis. In this review, we review the state of latest study on the preparation of defective g-C3N4 and systematically conclude the preparation strategies before, during, and after polymerization. Simultaneously, defective g-C3N4 photocatalysts were applied in denitrification, wastewater remediation, hydrogen production, CO2 conversion, disinfection, tumor treatment, and H2O2 generation are comprehensively discussed. Finally, we present the challenges associated with the specification of g-C3N4 photocatalysts based on vacancy defects and elemental doping, as well as the prospects for future developments in this particular field. This review has the potential to serve as a comprehensive theoretical framework and practicable guide to synthesize defective g-C3N4 photocatalysts.

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