摘要
TiO2以具有安全、廉价、无污染、适用范围广等优点而成为最有开发前途的绿色环保型光催化剂。以TiO2半导体为光催化剂的多相光催化氧化技术是几十年发展起来的一项污染治理新技术,具有良好的应用前景。文中主要从晶体结构、粒径、比表面积、表面羟基及载流子俘获剂5个方面,详细分析了这些因素对纳米TiO2光催化性能的影响。
TiO2 is regarded as the most promising green photocatalyst due to its higher photodegradation rate to the organic contaminants as well as its many advantages （i.e., safety, low cost and no pollution）. Heterogeneous photocatalytic oxidation technology with nano-sized TiO2 semiconductor as photocatalyst has been developed on pollution treatment process in recent decades. Five affecting factors such as the crystal structure, particle size, surface area, surface hydroxyl, and charge carriers trapped agent on the photocatalytic activity of nano-sized TiO2 were investigated systematically in the paper.
出处
《广东化工》
CAS
2008年第4期53-54,62,共3页
Guangdong Chemical Industry
基金
广东省科技计划项目资助(2006A36701003)
校博士科研启动基金重点资助项目
关键词
TIO2
光催化活性
影响
因素
titanium oxide
photocatalyticactivity
influence
factor
