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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >The synthesis of Bi2S3/2D-Bi2WO6 composite materials with enhanced photocatalytic activities
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The synthesis of Bi2S3/2D-Bi2WO6 composite materials with enhanced photocatalytic activities

机译：Bi2S3 / 2D-Bi2WO6复合材料的合成，具有增强的光催化活性

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摘要

Bi2S3/2D-Bi2WO6 composite materials which combined 2D-Bi2WO6 with Bi2S3 nanoparticles were prepared via ion exchange method. The mass ratio of Bi2S3 nanoparticle could be modulated by changing the quantity of thioacetamide (TAA). For Bi2S3/2D-Bi2WO6 composite materials, Bi2S3 nanoparticles dispersed on the surface of Bi2WO6 nanosheets. The photocatalytic activity was evaluated by photodegradation rhodamine B (RhB) under visible light. RhB was photodegraded nearly completely by BWS-2, while only 67% was photodegraded by Bi2WO6 nanosheet after 5 h' visible light irradiation. Based on the optical and electrochemical measurements, Bi2S3/2D-Bi2WO6 composite materials have prolonged carriers' lifetime, improved carriers' separation efficiency and decreased carriers' recombination efficiency. These results endow Bi2S3/2D-Bi2WO6 composite materials with high photocatalytic activities. (C) 2018 Elsevier B.V. All rights reserved.
机译：通过离子交换方法制备2D-Bi2WO6与Bi2S3纳米颗粒组合的Bi2S3 / 2D-Bi2WO6复合材料。 通过改变硫代乙酰胺（TAA）的量，可以调节BI2S3纳米粒子的质量比。 对于BI2S3 / 2D-BI2WO6复合材料，BI2S3纳米颗粒分散在BI2WO6纳米片表面上。 通过在可见光下光降解罗丹明B（RHB）评估光催化活性。 RHB几乎完全通过BWS-2光降解，而在5小时的可见光照射后，仅通过Bi2WO6纳米片光降解67％。 基于光学和电化学测量，Bi2S3 / 2D-Bi2WO6复合材料具有较长的载体寿命，提高了载体的分离效率和降低的载体复合效率。 这些结果赋予Bi2S3 / 2D-Bi2wo6具有高光催化活性的复合材料。 （c）2018年elestvier b.v.保留所有权利。

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  • 作者

    Xu Fang; Xu Chaoya; Chen Huimin; Wu Dapeng; Gao Zhiyong; Ma Xiaoming; Zhang Qian; Jiang Kai;

  • 作者单位

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Minist Educ Sch Chem &

    Chem Engn Xinxiang 453007 Henan Peoples R China;

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Minist Educ Sch Chem &

    Chem Engn Xinxiang 453007 Henan Peoples R China;

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Minist Educ Sch Chem &

    Chem Engn Xinxiang 453007 Henan Peoples R China;

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Minist Educ Sch Chem &

    Chem Engn Xinxiang 453007 Henan Peoples R China;

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Minist Educ Sch Chem &

    Chem Engn Xinxiang 453007 Henan Peoples R China;

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Minist Educ Sch Chem &

    Chem Engn Xinxiang 453007 Henan Peoples R China;

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Minist Educ Sch Chem &

    Chem Engn Xinxiang 453007 Henan Peoples R China;

    Henan Normal Univ Sch Environm Xinxiang 453007 Henan Peoples R China;

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  • 正文语种 eng
  • 中图分类 合金学与各种性质合金;金属材料;
  • 关键词

    Bi2S3/2D-Bi2WO6 hybrid materials; Photocatalytic; Optical and electrochemical measurements; Photocatalytic mechanism;

    机译：BI2S3 / 2D-BI2WO6混合材料;光催化;光学和电化学测量;光催化机制;

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