纳米二氧化钛的光催化与减摩性能研究进展

纳米二氧化钛(TiO₂)作为一种环境和能源领域出色的光催化剂以及一种新型的发动机纳米润滑油添加剂，受到越来越多的关注。综述纳米TiO₂复合材料在不同掺杂方式下在光催化方面的研究及应用进展，以及纳米TiO₂及其复合材料作为润滑油添加剂的研究及应用进展；总结了综合考虑纳米TiO₂复合材料光催化与减摩性能的研究现状，指出将纳米TiO₂及其复合材料作为发动机润滑油添加剂时，应综合考虑其光催化与减摩性能，从而实现在减摩的同时降低污染物排放。

Research Progress on Photocatalysis and Antifriction Properties of Nano-sized Titanium Dioxide

Nano titanium dioxide (TiO2),as an excellent photocatalyst in the field of environment and energy and a new nano engine lubricating oil additive,has attracted more and more attention.The research and application progress of nano TiO2 composites in photocatalysis under different doping modes,and the research and application progress of nano TiO2 and its composites as lubricating oil additives were reviewed.The research status that comprehensively consider the photocatalytic and antifriction properties of nano TiO2 composites was summarized.It was pointed out that when nano TiO2 and its composites were used as engine lubricating oil additives,their photocatalysis and antifriction properties should be comprehensively considered,so as to reduce pollutant emissions while reducing friction.