Photocatalytic behavior of PdCl2-modified nanostructured AgI/TiO2 photocatalyst

被引：0
|
作者：
Kefeng He
Kan Zhu
Wanping Chen
机构：
[1] Wuhan University,Key Laboratory of Artificial Micro
来源：
Rare Metals | 2011年 / 30卷
关键词：
nanocomposite; TiO; photocatalyst;
D O I：
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中图分类号：
学科分类号：
摘要：
Nanostructured AgI/TiO2 photocatalyst was synthesized through deposition-precipitation using AgNO3, KI and Ti(OBU)4. Then the photocatalyst was further treated by PdCl2 solution, which resulted in a color change from yellow to green and PdCl2 reacted with AgI as indicated by X-ray diffraction analyses. The diffusive reflectance UV-vis spectroscopy of this modified photocatalyst shows a remarkable enhancement of the absorption intensity in the range of visible light. As nanostructured AgI/TiO2 shows a considerable visible light photocatalytic activity for the photodegradation of methylene blue, PdCl2-modified AgI/TiO2 exhibits a much larger visible light photocatalytic activity for the photodegradation of methylene blue.
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页码：131 / 134
页数：3
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