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多酸/二氧化钛复合光催化剂的制备及光催化苯胺的研究
引用本文:魏君,李志奎. 多酸/二氧化钛复合光催化剂的制备及光催化苯胺的研究[J]. 分子科学学报, 2012, 28(1): 84-88
作者姓名:魏君  李志奎
作者单位:1. 中国石油大庆炼化公司,黑龙江大庆,163411
2. 东北师范大学化学学院,吉林长春,130024
摘    要:采用溶胶-凝胶法,将Keggin结构的饱和磷钨酸、硅钨酸复合到二氧化钛薄膜中,合成出POM/TiO2复合光催化剂.红外光谱表明在复合膜中,多酸仍保持其基本结构不变.详细考察了催化剂种类、催化剂用量和反应体系等因素对苯胺的光催化降解反应的影响.

关 键 词:多金属氧酸盐  二氧化钛  溶胶-凝胶  苯胺  光催化

Synthesis and photocatalysis properties of POM/TiO2 composite catalyst
WEI Jun , LI Zhi-kui. Synthesis and photocatalysis properties of POM/TiO2 composite catalyst[J]. Journal of Molecular Science, 2012, 28(1): 84-88
Authors:WEI Jun    LI Zhi-kui
Affiliation:1.Petrochina Daqing Refining and Petrochemical Company,Daqing 163411,China; 2.Faculty of Chemistry,Northeast Normal University,Changchun 130024,China)
Abstract:The composite photocatalysts PW12/TiO2 and SiW12/TiO2 were prepared by combination of the method of sol-gel and hydrothermal treatment at a lower temperature.FT-IR spectroscopy was employed to identify the compositions.The results indicated that the primary Keggin structure remained intact after immobilization of the POM into TiO2 network.The as-prepared composites have higher catalysis activity than that of parallel TiO2 for the detradation of aniline.Parameters such as the kinds and amount of catalyst,and different oxidants affecting the degradation rage of aniline were studied.
Keywords:polyoxometalates  titanium dioxide  sol-gel  aniline  photocatalysis
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