铋系光催化材料的研究进展及其在环境治理中的应用

Research progress of bismuth-based photocatalytic materials and their application in environmental treatment

综述了铋系光催化材料光催化机理、主要分类和晶体结构,并介绍了铋的二元氧化物、铋的氧酸盐和卤氧化铋铋系光催化材料的研究进展及其在去除工业气体污染物、室内空气净化、废水处理和除菌领域的应用现状。说明铋系光催化材料活性高,成本低,光催化效果好,应用范围广等优点;同时指出了铋系光催化材料目前存在的问题,对其今后的研究重点和方向做出了展望。

This article reviews the photocatalytic mechanism,main classification and crystal structure of bismuth-based photocatalytic materials,and introduces the research progress of bismuth binary oxides,bismuth oxyacid salts and bismuth oxyhalides,and their applications in the removal industry.The application status of gas pollutants,indoor air purification,wastewater treatment and sterilization.It shows that the bismuth-based photocatalytic materials have the advantages of high activity,low cost,good photocatalytic effect,and wide application range.At the same time,the current problems of bismuth-based photocatalytic materials are pointed out,and the focus and direction of its future research are prospected.