摘要
以十六烷基三甲基溴化胺为模板剂,采用溶胶-凝胶法,在溶胶-凝胶制备过程中引入紫外光照辐射,制备出具有一定特殊性能的中孔TiO2材料。采用X射线粉末衍射(XRD)、N2吸附-脱附、紫外-可见吸收、漫反射紫外、表面光电压谱等手段对其进行了分析和表征。以紫外灯为光源,通过对水溶性染料罗丹明B的光降解反应,考察了光助中孔TiO催化剂的光催化活性。
Using cetyl trimethyl ammoniunm bromide as templating agent, the mesoporous TiO_2 with special performance was synthesized by a tartaric acid sol-gel method. The UV irradiation was used in this process. The TiO_2 was analyzed and characterized by XRD, adsorption-desorption, UV-VIS spectra, DRS, surface photovoltage spectroscopy (SPS). Using ultraviolet lamp as light source, the photocatalytic activity of photo-assisted mesoporous TiO_2 katalyst was studied by photodegradation of Rhodamine B.
出处
《材料工程》
EI
CAS
CSCD
北大核心
2005年第6期27-30,共4页
Journal of Materials Engineering
关键词
中孔
TIO2
光催化
化学模板
罗丹明B
mesoporous TiO_2
photocataly
chemical templating
rhodamine B
