Layered photocatalytic nanomaterials for environmental applications

被引:92
作者
Chen, Fang [1 ]
Zhang, Yihe [1 ]
Huang, Hongwei [1 ]
机构
[1] China Univ Geosci, Sch Mat Sci & Technol, Beijing Key Lab Mat Utilizat Nonmet Minerals & Sol, Natl Lab Mineral Mat, Beijing 100083, Peoples R China
关键词
Layered photocatalytic nanomaterials; Layered perovskite oxides; Environmental applications; Photocatalytic oxidation; Photocatalytic reduction; GRAPHITIC CARBON NITRIDE; TRANSITION-METAL DICHALCOGENIDES; VISIBLE-LIGHT; HYDROGEN-PRODUCTION; BISMUTH OXYBROMIDE; ORGANIC POLLUTANTS; CHARGE SEPARATION; DOUBLE HYDROXIDE; SOLID-SOLUTION; NO REMOVAL;
D O I
10.1016/j.cclet.2022.05.037
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The increasing pollution and human demand for a cleaner environment have made achieving the environmental sustainability a current research focus. As a "green" technology, semiconductor photocatalysis is of great significance to the environmental purification. Benefiting from the unique anisotropic crystal structure and electronic properties, layered photocatalytic nanomaterials show great potential for efficient photocatalytic environmental treatment. This review comprehensively summarizes the recent progress on layered photocatalytic nanomaterials for oxidation or reduction of pollutants in water and air along with the basic understanding of related mechanisms and developments in this field. First, the existing diversified layered photocatalysts are classified, and their different synthesis and modification strategies are discussed in detail to provide a comprehensive view of the material design that affects their photocatalytic performance. Subsequently, the extensive applications of the above-mentioned layered photocatalytic nanomaterials in environmental fields are systematically summarized, including photooxidation of water and air pollutants, and photoreduction of heavy metal pollutants, NO 3 -, BrO 3 - and CO 2 . Finally, based on the current research achievements in layered photocatalysts for environmental remediation, the future development direction and challenges are proposed.(c) 2022 Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.
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页数:15
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