| CdS、Ag+掺杂改性纳米TiO2光催化降解有机物研究 |
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| 引用本文： | 李琴,李世萍,项鹏志,刘龙江.CdS、Ag+掺杂改性纳米TiO2光催化降解有机物研究[J].材料导报,2011(Z1):70-72. |
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| 作者姓名： | 李琴 李世萍 项鹏志 刘龙江 |
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| 作者单位： | 云南广播电视大学化学工程学院;昆明理工大学环境工程学院; |
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| 基金项目： | 云南省教育厅基金项目(09C0014) |
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| 摘 要： | 在理论分析的基础上对纳米TiO2分别进行掺CdS和掺银改性实验研究。采用XRD和粒度分析技术对改性后的样品进行表征,并以掺杂CdS、Ag+纳米TiO2进行光催化降解甲基橙模拟实验。结果表明,掺杂CdS、Ag+纳米TiO2在可见光范围内降解有机物的效率有较大提高。
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| 关 键 词： | 纳米TiO2 光催化 掺杂 电子-空穴 |
Research on Photocatalytic Degrading Organic Material of Nano-TiO_2 Modified by CdS,Ag~+ |
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| LI Qin,LI Shiping,XIANG Pengzhi,LIU Longjiang.Research on Photocatalytic Degrading Organic Material of Nano-TiO_2 Modified by CdS,Ag~+[J].Materials Review,2011(Z1):70-72. |
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| Authors: | LI Qin LI Shiping XIANG Pengzhi LIU Longjiang |
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| Affiliation: | LI Qin~(1,2),LI Shiping~1,XIANG Pengzhi~1,LIU Longjiang~1 (1 Faculty of Chemical Engineering,Yunnan Radio and Television University,Kunming 650223,2 Faculty of Environmental Engineering,Kunming University of Science and Technology,Kunming 650093) |
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| Abstract: | The experimental investigation on nano-TiO_2 property modified with CdS,Ag~+ doping was carried out based on the theoretical analysis.The property of the modified nano-TiO_2 was characterized with XRD and grading methods.The appraisal of the effects of TiO_2 properties modified with the two doping substances was made on the experiment by the doped nano-TiO_2 photocatalytic degrading methyl hesperidin.The results show that efficiency of degrading organic substance with doped nano-TiO_2 within visible light s... |
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| Keywords: | nano-TiO_2 photocatalysis doping electron-cavity |
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