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首页> 外文期刊>Applied Surface Science >Photodegradation of dye pollutants catalyzed by γ-Bi_2MoO_6 nanoplate under visible light irradiation
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Photodegradation of dye pollutants catalyzed by γ-Bi_2MoO_6 nanoplate under visible light irradiation

机译：γ-Bi_2MoO_6纳米板在可见光照射下光降解染料污染物

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摘要

Nanoplate γ-Bi_2MoO_6 is prepared by hydrothermal method. Using this material as photocatalyst, rhodamine B and methylene blue were efficiently degraded under visible light irradiation. The degradation kinetics, total organic carbon changes, and electron spin resonance detection of active oxygen species were investigated to clarify the degradation process. The experimental results indicated that the target dyes could be facilely bleached and mineralized. The formation of active oxygen species of ·OH and O~(2·-) is detected, and they are proposed to be responsible for the degradation of the target dyes. The γ-Bi_2MoO_6 catalyst is very stable and can be reused.
机译：采用水热法制备了纳米板γ-Bi_2MoO_6。使用该材料作为光催化剂，若丹明B和亚甲基蓝在可见光照射下被有效地降解。研究了降解动力学，总有机碳变化和活性氧的电子自旋共振检测，以阐明降解过程。实验结果表明目标染料可以很容易地漂白和矿化。检测到·OH和O〜（2·-）的活性氧的形成，并提出它们负责目标染料的降解。 γ-Bi_2MoO_6催化剂非常稳定，可以重复使用。

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  • 来源
    《Applied Surface Science》 |2009年第18期|8036-8040|共5页
  • 作者

    Xu Zhao; Tongguang Xu; Wenqing Yao; Yongfa Zhu;

  • 作者单位

    State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China Department of Chemistry, Tsinghua University, Beijing 100084, PR China;

    Department of Chemistry, Tsinghua University, Beijing 100084, PR China;

    Department of Chemistry, Tsinghua University, Beijing 100084, PR China;

    Department of Chemistry, Tsinghua University, Beijing 100084, PR China;

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  • 正文语种 eng
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  • 关键词

    bismuth molybdates; photocatalysis; visible light; rhodamine B; methylene blue;

    机译：钼酸铋光催化;可见光;罗丹明B;亚甲蓝;

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