首页> 外文期刊>Materials Letters >In situ anchor of BiOCl_(0.5)Br_(0.5) nanosheets onto schorl's surface to enhance photocatalytic performance
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In situ anchor of BiOCl_(0.5)Br_(0.5) nanosheets onto schorl's surface to enhance photocatalytic performance

机译:原位锚点的BioCl_(0.5)BR_(0.5)纳米蛋白酶达到Schorl的表面,以增强光催化性能

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摘要

A facile ultrasound-assisted alcoholysis method was developed to in situ anchor BiOCl0.5Br0.5 (BOCB) nanosheets onto the surface of natural schorl particulates. X-ray diffraction peak intensity ratio of (001) to (102) of BOCB indicated the preferentially exposed {001} crystal planes. The visible-light-driven photocatalytic degradation rate of RhB over BOCB/schorl composite was higher than that over BOCB. The lower photoluminescence emission intensity revealed that schorl could effectively enhance the separation of photogenerated electron-hole pairs of BOCB, which might be caused by the synergy between the external polarization electric field of schorl and the internal polarization electric field of BOCB. This study provides a new approach for developing the polarization electric field assisted strategies for the enhancement of photocatalytic efficiency.
机译:将易于超声辅助醇解方法在原位锚生物溶解的BioCl0.5br0.5(Bocb)纳米片中开发到天然舒氏颗粒的表面上。 BOCB的(001)至(102)的X射线衍射峰强度比表明优先暴露的{001}晶平面。 在Bocb / Schorl复合材料上rHB的可见光光催化降解速率高于BOCB。 较低的光致发光发射强度揭示了Schorl可以有效地增强光生电子空穴对的分离,这可能是由Schorl的外偏振电场与Bocb的内部偏振电场之间的协同作用引起的。 本研究提供了一种新方法,用于开发偏振电场辅助策略,以提高光催化效率。

著录项

  • 来源
    《Materials Letters》 |2021年第1期|130384.1-130384.4|共4页
  • 作者单位

    Harbin Univ Sci & Technol Sch Mat Sci & Chem Engn Harbin 150040 Peoples R China;

    Harbin Univ Sci & Technol Sch Mat Sci & Chem Engn Harbin 150040 Peoples R China;

    Harbin Univ Sci & Technol Sch Mat Sci & Chem Engn Harbin 150040 Peoples R China;

    Harbin Univ Sci & Technol Sch Mat Sci & Chem Engn Harbin 150040 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Schorl; Bismuth oxyhalides; Photocatalysis; Nanocomposites; Semiconductors;

    机译:Schorl;氧化铋;光催化;纳米复合材料;半导体;

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