| 铜卟啉-TiO_2复合光催化剂制备及降解4-NP的研究 |
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| 引用本文： | 吕向菲,李珺,王晨,段明玥,刘惊宙,刘瑞平,张逢星.铜卟啉-TiO_2复合光催化剂制备及降解4-NP的研究[J].高等学校化学学报,2010,31(7):1391-1397. |
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| 作者姓名： | 吕向菲 李珺 王晨 段明玥 刘惊宙 刘瑞平 张逢星 |
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| 作者单位： | 西北大学化学与材料科学学院,合成与天然功能分子化学教育部重点实验室,西安,710069 |
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| 摘 要： | 合成了取代基数目不同的3种铜卟啉配合物,并与纯锐钛矿型TiO2作用,得到相应的铜卟啉敏化TiO2复合光催化剂.采用扫描电子显微镜(SEM)考察了铜卟啉-TiO2复合光催化剂的形貌特征,紫外-可见光谱和X射线衍射(XRD)分析结果表明,铜卟啉负载于TiO2表面,未改变TiO2的晶型.可见光降解4-硝基苯酚(4-NP)实验结果表明,复合催化剂性质稳定,可多次重复使用,卟啉环外围极性取代基数目越多,铜卟啉光敏化效果越好.
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| 关 键 词： | 铜卟啉 光敏化TiO2 光催化剂 |
| 收稿时间： | 2010-01-06 |
Preparation and Photocatalysis Study for 4-NP Degradation of Copper Porphyrin-TiO2 Composites |
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| L Xiang-Fei,LI Jun,WANG Chen,DUAN Ming-Yue,LIU Jing-Zhou,LIU Rui-Ping,ZHANG Feng-Xing.Preparation and Photocatalysis Study for 4-NP Degradation of Copper Porphyrin-TiO2 Composites[J].Chemical Research In Chinese Universities,2010,31(7):1391-1397. |
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| Authors: | L Xiang-Fei LI Jun WANG Chen DUAN Ming-Yue LIU Jing-Zhou LIU Rui-Ping ZHANG Feng-Xing |
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| Institution: | L(U) Xiang-Fei,LI Jun,WANG Chen,DUAN Ming-Yue,LIU Jing-Zhou,LIU Rui-Ping,ZHANG Feng-Xing |
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| Abstract: | Based on the three synthesized porphyrin derivatives and their corresponding metallic complexes, the photocatalytic activity of anatase TiO2 samples impregnated with CuP were investigated by carrying out the photodegradation of 4-nitrophenol(4-NP) in aqueous suspension and under visible light. The photocatalysts were characterized by SEM, XRD and UV-Vis. The photocatalysts show good stability under irradiation conditions and they continued to maintain good photocatlytic activity also after several cycles.With increasing the substituents, the photocatalytic efficiency of CuP-TiO2 photocatalyst improved under visible light. |
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| Keywords: | Copper porphyrin Photosensitized TiO2 Photocatalyst |
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