对光催化纳米TiO₂材料特点、光催化杀菌机理和光催化抗菌性能影响因素以及纳米TiO₂材料在废水处理、空气净化、涂层材料和纤维制品等领域的应用进行了综述，并展望了纳米TiO₂材料在抗菌利用方面的前景，为纳米TiO₂材料的改性提供了借鉴，在降低环境风险的同时达到更加高效杀菌和广泛使用的目的。

This article reviews the characteristics of nano-TiO₂ photocatalytic materials,the mechanism of photocatalytic sterilization and the influencing factors for photocatalytic antibacterial properties,as well as the application of nano-TiO₂ materials in wastewater treatment,air purification,coating materials and fiber products.It also expects the prospect of nano-TiO₂ materials in antibacterial utilization and provides a reference for the modification of nano-TiO₂ materials.The purposes of more efficient sterilization and widespread use but less environmental risks can be realized simultaneously through nano-TiO₂ materials.

李灵灵(1992-),女,硕士生