纳米TiO2光催化自洁技术研究进展.doc

纳米 TiO 2 光催化自洁技术研究进展摘要: 综述了纳米 TiO 2 光催化自洁原理、纳米 TiO 2 制备方法及改性方法, 同时也介绍纳米 TiO 2 光催化自洁技术的研究现状和发展趋势。关键词: 纳米二氧化钛;光催化;自洁 Nanometer TiO 2P hotocatalytic self-cleaning technology is reviewed Abstract : Nanometer TiO 2 photocatalytic self-cleaning are reviewed in this paper, nanometer TiO 2 preparation methods and modification methods, and also introduced the research status of nanometer TiO 2 photocatalytic self-cleaning technology and its development trend . Key words : Nanometer titanium dioxide; Photocatalytic; S elf-cleaning 目录摘要..................... ..............................................1 1 引言..................... ............................................2 2 纳米 TiO 2 光催化的自洁原理.............................................2 3 纳米 TiO2 的制备方法..................................................2 溶胶-凝胶制备法..................................................2 水解- 沉淀法水解- 沉淀法制备 TiO 2 .....................................3 液相沉积法........................................................3 水热沉积法........................................................3 回流胶溶液相成膜法................................................4 4 纳米 TiO 2 的改性方法...................................................4 硅烷偶联剂改性法..................................................4 掺杂 Fe 3+ 改性法....................................................5 非金属元素的取代改性法............................................5