新型光催化剂TiO_2/SiO_2的制备和催化性能研究  

The Prepartion of TiO_2/SiO_2 and the Study of Photocatalytic Properties

作　　者：颜秀茹[1] 郭伟巍[1] 宋宽秀[1] 李晓红[1] 霍明亮[1] 

机构地区：[1]天津大学理学院化学系,天津300072

出　　处：《化学工业与工程》2000年第6期330-335,共6页Chemical Industry and Engineering

基　　金：天津市自然科学基金资助项目!( 97360 6711)

摘　　要：本文以SiO2 为载体 ,利用TiCl4水解的方法制备了负载型TiO2 /SiO2 光催化剂 ,并对其形貌、结构和晶型进行了表征。探讨了催化剂制备条件的变化对降解DDVP(氯代乙烯磷酸酯 )性能的影响 ,最后确定了TiO2 /SiO2In this paper,the TiO 2/SiO 2 coating particles have been prepared by hydrolysis of TiCl\-4.The morphology\,surface states and crystalline phase of TiO 2/SiO 2 samples have been studied.The photocatalytic properties for DDVP under different preparing conditions were discussed.The optimum conditions of preparing TiO 2/SiO 2 were given at last.

关 键 词：二氧化钛 二氧化硅 包覆粒子 光催化 光催化剂 

分 类 号：TQ426.7[化学工程]