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首页> 中文期刊> 《水科学与水工程：英文版》 >Preparation of 2D square-like Bi2S3-BiOCl heterostructures with enhanced visible light-driven photocatalytic performance for dye pollutant degradation

Preparation of 2D square-like Bi2S3-BiOCl heterostructures with enhanced visible light-driven photocatalytic performance for dye pollutant degradation

         
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摘要

A series of Bi2S3-BiOCl composites with two-dimensional (2D) square-like structures were prepared via a two-step anion exchange route.X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and diffuse reflectance spectra (DRS) were used to investigate the properties of the as-prepared Bi2S3-BiOCl heterostructures. The coupling of BiOCl and Bi2S3 induced enhanced photoabsorption efficiency and bandgap narrowing. A reactive brilliant red X-3B dye was used as a contaminant to test the photocatalytic activity of the obtained Bi2S3-BiOCl samples under visible light irradiation. The sample Bi2S3-BiOCl with a mass ratio of 8:4 exhibited the highest photodegradation efficiency, which was six times higher than that of pure BiOCl. In addition, a mechanism for the enhancement of photocatalytic activity is proposed.? 2017 Hohai University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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  • 来源
    《水科学与水工程：英文版》 |2017年第4期|P.334-339|共6页
  • 作者

    Jing-jing Xu; Jing-wen Yang; Pu Zhang; Quan Yuan; Yan-hong Zhu; Yu Wang; Miao-miao Wu; Zheng-mei Wang; Min-dong Chen;

  • 作者单位

    [1]Collaborative Innovation Center of Atmospheric Environment and Equipment Technology;

    School of Environmental Science and Engineering;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [2]Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [3]Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [1]Collaborative Innovation Center of Atmospheric Environment and Equipment Technology;

    School of Environmental Science and Engineering;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [2]Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [3]Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [1]Collaborative Innovation Center of Atmospheric Environment and Equipment Technology;

    School of Environmental Science and Engineering;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [2]Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [3]Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [1]Collaborative Innovation Center of Atmospheric Environment and Equipment Technology;

    School of Environmental Science and Engineering;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [2]Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [3]Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [1]Collaborative Innovation Center of Atmospheric Environment and Equipment Technology;

    School of Environmental Science and Engineering;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [2]Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [3]Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [1]Collaborative Innovation Center of Atmospheric Environment and Equipment Technology;

    School of Environmental Science and Engineering;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [2]Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [3]Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [1]Collaborative Innovation Center of Atmospheric Environment and Equipment Technology;

    School of Environmental Science and Engineering;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [2]Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [3]Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [1]Collaborative Innovation Center of Atmospheric Environment and Equipment Technology;

    School of Environmental Science and Engineering;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [2]Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [3]Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [1]Collaborative Innovation Center of Atmospheric Environment and Equipment Technology;

    School of Environmental Science and Engineering;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [2]Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

    [3]Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control;

    Nanjing University of Information Science and Technology;

    Nanjing 210044;

    China;

  • 原文格式 PDF
  • 正文语种 CHI
  • 中图分类 水利工程;
  • 关键词

    Photocatalysis; Bi2S3; BiOCl; Visible; light; Heterostructure;

    机译：光催化;Bi2S3;BiOCl;可见光;异质结构;
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