铕掺杂对二氧化钛光催化降解甲基橙性能的影响

稀土, 2007, 28(3): 68-70. doi: 10.3969/j.issn.1004-0277.2007.03.017

铕掺杂对二氧化钛光催化降解甲基橙性能的影响

石建稳 ^1, , 郑经堂 ^2, , 胡燕 ^3, , 赵玉翠 ^4,

1.中国石油大学(华东)重质油国家重点实验室,山东,东营,257061

2.中国石油大学(华东)重质油国家重点实验室,山东,东营,257061

3.中国石油大学(华东)重质油国家重点实验室,山东,东营,257061

4.中国石油大学(华东)重质油国家重点实验室,山东,东营,257061

关键词： TiO2 , 光催化 , 掺杂 , 铕

Influence of Eu3+ Doping on Photocatalytic Activity of TiO2 for Methyl Orange Degradation

以钛酸四正丁酯为原料,利用溶胶-凝胶法制备了纯的和不同Eu含量掺杂的TiO2纳米粒子,利用XRD对样品进行了表征,并以甲基橙的光催化降解研究了样品的光催化性能.发现Eu的掺杂抑制了TiO2粒径的增长,细化了晶粒;同时,Eu掺入到TiO2的晶格中,引起了晶格的畸变和膨胀.结果表明,适量Eu的掺杂可提高TiO2的光催化性能,在本试验进行的条件下,当掺杂摩尔分数为0.1%时,光催化性能最好.

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铕掺杂对二氧化钛光催化降解甲基橙性能的影响

Influence of Eu3+ Doping on Photocatalytic Activity of TiO2 for Methyl Orange Degradation

参考文献