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Zn2+-TiO2悬浮体系光催化降解罗丹B(RB)的研究
THE STUDY OF PHOTOCATALYTIC OF Zn2+-DOPED IN TiO2 NANOPARTICLES IN PHOTOCATALYZING THE DEGRADATION OF RHODAMINE B
【摘要】 用水热法制备了掺杂Zn2+的TiO2纳米粒子,研究了Zn2+离子掺杂的TiO2纳米粒子悬浮液光催化降解罗丹明B的能力.结果表明,Zn2+的掺杂使得TiO2纳米粒子悬浮液光催化降解罗丹明B的能力大大提高,Zn2+离子的掺入量有一最佳值使光催化降解罗丹明B的能力达到最大值.
【Abstract】 The Zn2+doped in TiO2 nanoparticles were prepared with hydrothermal method, and the effects on the ability of TiO2 in photocatalyzing degradation of rhodamine B(RB) were studied. The results showed that the doping of Zn2+ in TiO2 nanoparticles made the pheotocatalytics of TiO2 in photocatalyzing the degradation of (RB) enhance, showing a great increase of the rate constant(k) and the initial reaction rate(rini).
【关键词】 Zn2+离子掺杂的TiO2纳米粒子;
光催化降解;
罗丹明B;
【Key words】 Zn2+ doped TiO2 nanoparticles; photocatalystic degradation; rhodamine B;
【Key words】 Zn2+ doped TiO2 nanoparticles; photocatalystic degradation; rhodamine B;
【基金】 安徽省教育厅自然科学研究项目(99J1022H),(2001KJ245ZC)资助.
- 【文献出处】 安徽师范大学学报(自然科学版) ,Journal of Anhui Normal University(Natural Science) , 编辑部邮箱 ,2003年02期
- 【分类号】O643.3
- 【被引频次】1
- 【下载频次】108