光催化剂有着治理环境污染和生产洁净能源的能力,是一种高效节能、绿色环保、无毒无害的功能性材料,将光催化剂与水泥基材料结合而成的复合材料已成为当今建筑材料领域的研究热点。综述了纳米TiO₂和铋系光催化材料的反应机理和催化性能及其光催化水泥基复合材料的研究现状,分析了光催化水泥基复合材料的优势和存在的问题,指出积极开发并应用新型光催化水泥基复合材料具有重要的现实意义。

Photocatalyst has the ability to deal with environmental pollution and produce clean energy,and is an efficient,energy-saving,green,non-toxic and non-hazardous functional material.The composite material made by combining photocatalyst with cement-based materials has become a research highlight in the field of construction materials today.The reaction mechanism and catalytic performance of nano-TiO₂ and bismuth-based photocatalytic materials are reviewed,and current research status of them-derived cement-based photocatalytic composites is described.The advantages and problems of cement-based photocatalytic composites are analyzed.It is proposed that it is of significance to actively develop and apply novel cement-based photocatalytic composites.

肖力光(1962-),男,博士,教授,博士生导师,研究方向为新型建筑材料,xlg627@163.com。