Sr_(10)Bi_6O_(24-y)的制备及其光催化活性研究 |
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引用本文: | 周瑾,张高科,胡艳君,丁新淼,谢军伟. Sr_(10)Bi_6O_(24-y)的制备及其光催化活性研究[J]. 环境科学与技术, 2008, 31(9) |
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作者姓名: | 周瑾 张高科 胡艳君 丁新淼 谢军伟 |
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作者单位: | [1]武汉理工大学资源与环境学院,湖北武汉430070 [2]湖北省环境科学研究院,湖北武汉430072 |
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摘 要: | 以S(rNO3)2和Bi2O3为原料,采用高温固相法在900℃煅烧2h合成了纯度较高、钙钛矿型Sr10Bi6O24-y。使用X射线衍射、扫描电子显微镜和X射线光电子能谱对Sr10Bi6O24-y进行了表征。实验结果表明,Sr10Bi6O24-y光催化具有较强的光催化活性,其降解酸性红G的反应动力学符合一级反应。
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关 键 词: | 光催化降解 铋 锶 钙钛矿 酸性红G |
Sr_(10)Bi_6O_(24-y):Its Preparation and Photocatalytic Activity |
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Abstract: | This study involves laboratory preparation of perovskite-type Sr10Bi6O24-y, which is characterized by a series of instruments such as XRD, SEM and XPS, and photodegradation of Acid Red G, a dyestuff, with Sr10Bi6O24-y as the photocatalyst. The experiment shows its presence greatly enhances degradation reaction. |
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Keywords: | photocatalytic bismuth strontium perovskite Acid Red G |
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