Ce掺杂TiO2催化剂的光催化性能
以钛酸丁酯[Ti（C4H9O）4]为钛源、硝酸铈[Ce（NO3）3·6H2O]为改性剂,采用溶胶-凝胶法合成了掺Ce的TiO2催化剂,最佳掺Ce量为1.5%（mol）,煅烧温度为500℃.采用X射线衍射、差热、紫外-可见光谱对其结构进行了表征.结果表明,500℃时煅烧的掺Ce1.5%的TiO2催化剂晶粒平均粒径为17.3nm,其光谱吸收边带发生了红移,吸收强度增大.Ce-TiO2光催化剂用量为10g/L,80W日光灯照射240min,对2μg/mL甲醛溶液的光催化降解率达38.75%....
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| Veröffentlicht in: | 过程工程学报 2011, Vol.11 (3), p.514-518 |
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| creator | 张浩 钱付平 |
| description | 以钛酸丁酯[Ti（C4H9O）4]为钛源、硝酸铈[Ce（NO3）3·6H2O]为改性剂,采用溶胶-凝胶法合成了掺Ce的TiO2催化剂,最佳掺Ce量为1.5%（mol）,煅烧温度为500℃.采用X射线衍射、差热、紫外-可见光谱对其结构进行了表征.结果表明,500℃时煅烧的掺Ce1.5%的TiO2催化剂晶粒平均粒径为17.3nm,其光谱吸收边带发生了红移,吸收强度增大.Ce-TiO2光催化剂用量为10g/L,80W日光灯照射240min,对2μg/mL甲醛溶液的光催化降解率达38.75%. |
| format | Article |
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| ispartof | 过程工程学报, 2011, Vol.11 (3), p.514-518 |
| issn | 1009-606X |
| language | chi |
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| source | Alma/SFX Local Collection |
| subjects | Ce-TiO2 光催化 掺杂 甲醛 铈 |
| title | Ce掺杂TiO2催化剂的光催化性能 |
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