TiO_2多孔膜的制备及其光催化性能  

Preparation and Photocatalytic Activity of Porous TiO_2 Film

作　　者：房翠[1] 张国栋[1] 潘胜业[1] 

机构地区：[1]安徽工业大学化学与化工学院,安徽马鞍山243002

出　　处：《安徽工业大学学报（自然科学版）》2005年第4期362-365,共4页Journal of Anhui University of Technology（Natural Science）

摘　　要：采用液相沉积(LPD)法在普通玻璃基片上沉积TiO2/SiO2复合膜,热处理后在NaOH溶液中浸泡溶去SiO2制得TiO2多孔膜。考察了热处理温度、TiO2中间层以及膜沉积时溶液中Ti,Si浓度比对膜结合强度和比表面的影响。结果表明,在沉积液中Ti,Si浓度比为41∶,热处理温度为450℃,多孔膜与基片间沉积纯TiO2作为中间层时,可获得结合牢固、比表面达44(m2/m2)的TiO2多孔膜。在太阳光照射4 h后对罗丹明B的脱色率可达40%。The common glass flake is producted with TiO2/SiO2 flim by Liquid-phase Deposition （LPD）. After heat treatment, the flake is drenched in NaOH solution and the SiO2 is dissolved, then the porous TiO2 film is gotten. The heat treatment temperature, the midst layer and the proportion of Ti,Si are investigated , their influence on the combination intensity and the specific surface are also discussed. The result of the test： when c（Ti）x（Si） is 4：1, the heat treatment temperature is 450℃ and the midst layer is TiO2, the porous TiO2 film with good combination intensity and specific surface of 44 （m^2/m^2 ） can be gotten. Under the sun light,the decolor rate of Rhodanmine B can reach 40% within 4 h.

关 键 词：TiO2多孔膜 光催化 罗丹明B 脱色 

分 类 号：TQ153[化学工程—电化学工业]