La3+,Al3+共掺杂纳米ZnO光催化降解活性艳蓝X-BR研究（英文）

被引：23

作者：

周银 ^{[1
,2
]}

王宇 ^{[1
]}

卢士香 ^{[1
]}

徐文国 ^{[1
]}

苏苏 ^{[1
]}

机构：

[1] 北京理工大学理学院

[2] 成都市公安消防支队司令部

来源：

人工晶体学报 | 2009年 / 38卷 / 04期

关键词：

溶胶-凝胶; 纳米氧化锌; 光催化降解; 镧铝共掺杂;

D O I：

暂无

中图分类号：

O643.3 [催化]; X791 [纺织、印染工业];

学科分类号：

070305 [高分子化学与物理]; 083001 [环境科学];

摘要：

采用溶胶-凝胶法制备了不掺杂和掺杂铝离子、镧离子以及两种离子共掺杂的ZnO,并用X射线衍射(XRD),高分辨透射电镜(HRTEM),紫外-可见(UV-Vis)吸收光谱对其进行了表征。用紫外灯作为光源,一定浓度的活性艳蓝X-BR溶液为光催化反应模型污染物,研究了各种离子掺杂ZnO的光催化性能,考察了掺杂量对降解率的影响。结果表明,镧离子和铝离子掺杂浓度为2 at%和3 at%的共搀杂ZnO的光催化性能最好;在室温下,加入催化剂浓度为0.1 g/L,降解时间为45 min时,对活性艳蓝X-BR溶液的降解率达到96.63%。

引用

页码：998 / 1003+1007 +1007

页数：7

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