张文杰,李骏,杨波

• 1:沈阳理工大学环境与化学工程学院

摘要(Abstract)：

采用溶剂热合成法制备B-TiO2,研究了B掺杂量对TiO2光催化剂物化性质和光催化降解甲基橙活性的影响。实验结果表明,B-TiO2样品均为四方晶系锐钛矿型结构,掺杂B后引起TiO2晶粒尺寸减小和颗粒细化,比表面积随B含量增加而逐渐增大。B离子主要进入TiO2晶格占据O的位置形成O-Ti-B结构,B-TiO2的晶胞体积比纯TiO2有所减小,孔径大小和孔容积略有增大。B-TiO2的光催化活性普遍优于TiO2,吸附性能随B掺杂量的增加而逐渐下降,3%B掺杂的TiO2具有最佳的光催化活性。

关键词(KeyWords)： TiO2;B掺杂;溶剂热;光催化

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41271251);; 沈阳理工大学辽宁省废水治理技术重点实验室开放基金

作者(Author): 张文杰,李骏,杨波

DOI: 10.13289/j.issn.1009-6264.2013.s1.003

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