铁掺杂纳米二氧化钛溶胶的制备及性能研究  

Preparation of Fe (III) Doping Anatase TiO_2 Hydrosol and Evaluation of Its Photocatalytic Activity

作　　者：郑琦[1] 陈恒初[1] 王靖宇[2] 刘志洪[2] 

机构地区：[1]江汉大学化学与环境工程学院,武汉430056 [2]武汉大学化学与分子科学学院,武汉430072

出　　处：《环境科学与技术》2007年第4期14-15,18,共3页Environmental Science & Technology

基　　金：湖北省自然科学基金(2004ABA182);武汉市科技局科技计划项目资助(20055102030)

摘　　要：文章采用一种简单的方法于低温条件下制备出掺铁纳米TiO2溶胶。通过在可见光条件下对吖啶橙的光催化降解,对掺铁纳米TiO2溶胶和纳米TiO2溶胶的光催化活性进行了研究比较,结果表明掺铁纳米TiO2溶胶的光催化活性较高,铁的掺杂量为1%时光降解效果较好。Fe-doped TiO2 hydrosol was prepared by hydrolyzation of tetrabutyl titanate followed by acidic peptization of the precipitate under 70℃.The method was highly simplified.The influence of iron doption to photocatalytic decomposability of dioxide titanium for organic contamination by using acridine orange as target decomposition material under visible light irradiation was investigated.Results showed that the photocatalytic decomposability of TiO2 doped with iron was higher than pure TiO2,with optimism concentration of 1% Fe.

关 键 词：纳米TiO2溶胶 铁掺杂 可见光 吖啶橙 

分 类 号：X132[环境科学与工程—环境科学]