摘要
制备了表面镀有光催化剂薄膜的自清洁陶瓷,并利用XRD、AES和原位光催化反应方法等研究了其光催化降解油酸和灭菌的特性,考察了热处理条件和膜厚度等光催化膜制备与反应条件对自清洁陶瓷光催化活性的影响.研究结果表明,灭菌效果和油酸光降解速度取决于负载光催化膜的晶相组成、晶粒大小及其比表面积.
Self-cleaning ceramic materials were prepared by coating photocatalytic membrane onceramic matrix. The photocatalytic behavior of these materials for degradation of oleic acid andsterilization was studied by using XRD, AES, and in-situ reaction techniques. The effect of preparation and reaction conditions including heating treatment and thickness for the membrane onphotocatalytic activity of the self-cleaning ceramics was examined. The results show that the photodegradation of oleic acid and sterilization of the self-cleaning ceramics are determined by crystalstructure, particle size, and specific surface area of the supported photocatalyst membrane.
出处
《无机材料学报》
SCIE
EI
CAS
CSCD
北大核心
2000年第1期88-92,共5页
Journal of Inorganic Materials
基金
国家产业化前期关键技术开发项目!98-03
国家自然科学基金!29843003
福建省自然科学基金!B982000
关键词
光催化
自清洁
陶瓷
降解
灭菌
photocatalysis
self-cleaning
ceramic
degradation
sterilization