钙钛矿型光催化材料的应用现状及进展

Status quo and progress of perovskite-type photocatalysts

光催化技术和光芬顿技术是解决环境污染和能源短缺问题的有效手段,而光催化剂是其研究核心。钙钛矿材料因其在光催化能量转换和环境净化方面的潜力而成为新型光催化材料的研究热点。该文综述了钙钛矿型光催化剂的特性、活性影响因素和新型钙钛矿光催化材料的发展现状,归纳了该材料在染料废水处理、氨氮废水处理、金属离子氧化还原、大气污染物净化和土壤有机物及重金属去除中的应用进展,并对其在实际应用中面临的挑战及未来发展方向进行了讨论。最后指出钙钛矿型光催化剂目前发展面临的关键问题在于节能绿色制备方法的开发、新型复合钙钛矿材料尤其是高比表面积钙钛矿基体材料的研发和针对钙钛矿材料特性的反应器的建造。

Photocatalysis and photo-Fenton technology, with photocatalyst the research core, are effective means for solving the problems of environmental pollution and energy shortage. Perovskite materials,showing great potential in photocatalytic energy conversion and environmental purification, have become a research hotspot in the field of new photocatalytic material development. Herein, The characteristics,activity influencing factors and status quo of perovskite-type photocatalysts were firstly reviewed, followed by summarization on the application progress of perovskite-type photocatalysts in dye wastewater treatment,ammonia nitrogen wastewater treatment, metal ion redox, atmospheric pollutant purification and soil organic matter and heavy metal removal and discussions on the challenges and future development directions in practical applications. Finally, it was suggested that development of energy-saving green preparation methods, research of new composite perovskite-type photocatalysts, especially perovskite matrix materials with high specific surface areas, and construction of reactors based on the characteristics of perovskite-type photocatalysts were key development directions.