TiO_2光催化反应活性研究进展  

Progress of Research on the Photocatalytic Reaction Activity of TiO_2 Function Material

作　　者：范少华[1] 崔玉民[1] 

机构地区：[1]阜阳师范学院化学系,安徽阜阳236032

出　　处：《河南科技大学学报（自然科学版）》2006年第2期96-100,共5页Journal of Henan University of Science And Technology:Natural Science

基　　金：安徽省自然科学基金项目(050450301);安徽省教育厅自然科学基金项目(2005KJ136)

摘　　要：纳米TiO2是一种高效节能的光催化功能材料,本文对TiO2光催化技术研究现状及反应机理进行了综述。重点介绍了纳米TiO2晶型、粒子尺寸、表面贵金属沉积、金属离子掺杂、半导体的复合、表面羟基等因素对TiO2光催化活性的影响,并分析了纳米TiO2光催化技术所面临的问题。Nano-TiO2 is a kind of highly efficient and energy-saving functional material for photocatalytic technology. The development of photocatalytic technology and the mechanism of photocatalytic reaction are summarized. Discussion is focused on the influence of such factors as crystal type, crystal grain size, deposition of noble metal on the surface of TiO2, metal ion doping TiO2, compound of semiconductor photocatalysts and surface hydroxyl groups on the photocatalytic activity of nano-TiO2 . Besides, problems with which the photocatalytic technology of nano-TiO2 is confronted are also analyzed.

关 键 词：光催化技术 功能材料 纳米材料 二氧化钛 

分 类 号：O643.32[理学—物理化学]