| CdS/Eu~(3+)-TiO_2复合光催化剂制备及性能研究 |
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| 引用本文： | 黄亚辉,彭绍琴,李越湘,黄娟,黎澄宇.CdS/Eu~(3+)-TiO_2复合光催化剂制备及性能研究[J].有色金属(冶炼部分),2009(4). |
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| 作者姓名： | 黄亚辉 彭绍琴 李越湘 黄娟 黎澄宇 |
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| 作者单位： | 1. 南昌大学化学系,南昌,330031
2. 江西省辐射环境监测站,南昌,330029 |
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| 基金项目： | 国家自然科学基金，高等学校博士学科点专项科研基金，江西省教育厅基金 |
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| 摘 要： | 用溶胶-凝胶法制备了复合光催化剂CdS/TiO2和CdS/Eu3+-TiO2。利用XRD、UV-Vis漫反射光谱对样品进行了表征。以可见光分解水制氢为探针反应考察了催化剂的活性。结果发现Eu3+掺杂TiO2后抑制了TiO2晶粒生长,提高了光生电子和空穴的分离,从而提高了复合光催化剂的活性。
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| 关 键 词： | CdS/Eu3+-TiO2 光催化 可见光 制氢 |
The Preparation and Performance of Composite CdS/Eu~(3+)-TiO_2 |
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| HUANG Ya-hui,PENG Shao-qin,LI Yue-xiang,HUANG Juan,LI Cheng-yu.The Preparation and Performance of Composite CdS/Eu~(3+)-TiO_2[J].Nonferrous Metals(Extractive Metallurgy),2009(4). |
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| Authors: | HUANG Ya-hui PENG Shao-qin LI Yue-xiang HUANG Juan LI Cheng-yu |
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| Affiliation: | 1.Department of Chemistry;Nanchang University;Nanchang 330031;China;2.Monitoring Station of Radiation and Environment in Jiangxi;Nanchang 330029;China |
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| Abstract: | Composite CdS/TiO2 and CdS/Eu3+-TiO2 photocatalysts were prepared by sol-gel process,and characterized by means of X-ray diffraction and UV-Vis diffuse reflectance spectra.The activity of photocatalyst was explored with photocatalytic hydrogen evolution under visible light irradiation as a probe reaction.The results show that the grain growth of TiO2 was prevented and the separation of photo-generated electrons and holes were promoted by doping Eu3+,so the activity of composite CdS/TiO2 was increased. |
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| Keywords: | CdS/Eu3+-TiO2 |
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