| Na2Ta2O6光催化剂的合成、表征及光催化性能分析 |
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| 引用本文： | 孙超,黄浪欢,刘应亮.Na2Ta2O6光催化剂的合成、表征及光催化性能分析[J].化学研究与应用,2006,18(8):903-906. |
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| 作者姓名： | 孙超 黄浪欢 刘应亮 |
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| 作者单位： | 暨南大学化学系,广东,广州,510632 |
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| 基金项目： | 国家自然科学基金;广东省科技厅科技计划;广东省教育厅"人才引进工程"基金 |
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| 摘 要： | 通过结合固相反应与水热法制得一种新型的光催化剂Na2Ta2O6,并对其进行了XRD、SEM表征。由紫外可见漫反射光谱推测其禁带宽度约为4.6 eV,并对其在紫外光区下光催化降解碱性藏花红溶液的行为进行了研究。发现其具有好的结晶性、特殊的棒状结构以及较好的光催化活性。
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| 关 键 词： | 钽酸盐 光催化剂 水热 |
| 文章编号： | 1004-1656（2006）08-0903-04 |
| 收稿时间： | 2005-08-01 |
| 修稿时间： | 2005-12-20 |
Synthesis,characterization and photocatalytic analysis of Na2Ta2O6 |
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| SUN Chao,HUANG Lang-huan,LIU Ying-liang.Synthesis,characterization and photocatalytic analysis of Na2Ta2O6[J].Chemical Research and Application,2006,18(8):903-906. |
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| Authors: | SUN Chao HUANG Lang-huan LIU Ying-liang |
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| Institution: | Department of Chemistry, Jinan University, Guangzhou 510632, China |
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| Abstract: | A novel photocatalyst,Na_2Ta_2O_6 was prepared by a combined solid-state reaction and hydrothermal approach.The samples were characterized by powder X-ray diffraction(XRD).The morphology and particle size of the product were analyzed by scanning electron microscope.The band gap of the Na_2Ta_2O_6 was about 4.6eV based on UV-vis diffuse reflectance spectroscopy.Also,it showed good crystallinity,special structure and higher photocatalytic activity even without cocatalysts under UV-light irradiation by model experiment of degradation of the solution of Safranine T. |
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| Keywords: | tantalate photocatalyst hydrothermal |
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