光催化：专题 4-TiO2光催化材料--拓展版.pptx

1、Photocatalysis of TiO2,Fundamental and Applications,1,Environmental Pollution,uAtmosphere pollutionu Green house effect(CO2)u Acid rainuWater pollutionuSoil pollution,2,Air Pollution,Smog,Acid rain,Burning of fossil fuels,3,Water Pollution,Waste water from textile industr4y,Soil Pollution,Contaminat

2、ed soil,Pesticides buried with strong odor,5,6,1972 年日本科学家Fujishima和Honda用TiO2薄膜 为电极，利用光能分解水而生成氢气的实验。1976 年，John.H.Carey-TiO2光催化氧化法成功 用于污水PCB 化合物脱氯去毒1985年，Mutsunaga等发现在金属卤灯发出的近紫 外光照射下，TiO2-Pt电极具用杀菌效果,II.光催化的发展历程,7,8,Crystal Structure of TiO2,Anatase,9,Rutile,Brookite,Anatase is the most active one!,14,15,17,18,19,20,TiO2材料的制备,21,uTiO2包括粉体和薄膜两种形态u对应多种不同的制备方法,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,Self-Cleaning Glass,69,70,光催化自洁玻璃,71,72,73,