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Research and development of BiOCl-based photocatalytic materials

WANG Xiaowen,ZHANG Xiaochao,FAN Caimei   

  1. Institute of Clean Technique for Chemical Engineering,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China
  • Online:2014-01-05 Published:2014-01-05

BiOCl基光催化材料的研究进展

王晓雯,张小超,樊彩梅   

  1. 太原理工大学洁净化工研究所,山西 太原 030024

Abstract: A new kind of photocatalytic materials based on bismuth oxychloride (BiOCl) has received much attention owing to its inherent layer structure and particular electronic characteristics,and BiOCl-based materials exhibit the excellent photocatalytic activities and potential practical prospects in energy utilization,environmental protection,chemical application,material fields,and so on. The crystal and electronic structures of BiOCl semiconductor were first investigated. Then recent research and development in the preparation methods,structure morphologies,visible-light response and immobilization of BiOCl-based materials have been comprehensively reviewed and analyzed; meanwhile the obtained correlative photocatalytic mechanisms for certain BiOCl-based catalysts based on first-principles calculations were also summarized. The promising research trends of BiOCl-based photocatalytic materials,such as the relative deposition on suitable substrate surface,the effect mechanism between catalysts and absorbable organics on the surface,photocatalytic reaction mechanism,have been prospected.

Key words: bismuth oxychloride (BiOCl), photocatalytic materials, visible light response

摘要: 氯氧化铋(BiOCl)为一种新型光催化材料,其独特的层状结构和电子性质显示出优异的光催化性能,并在能源、环保、化工、材料等领域具有潜在的应用前景。首先,本文介绍了BiOCl的晶体结构和电子结构;其次,对近几年微纳米BiOCl基光催化材料的制备方法、形貌特征、可见光拓展、固定化等方面研究现状与发展动态进行了全面综述分析,并概述了第一性原理计算方法应用于该类催化剂反应机理的研究进展;最后,对未来新型BiOCl基光催化材料负载或沉积与涂覆于适宜的基体表面、与其表面吸附物之间作用机制、光催化反应机理等研究方向进行了展望。

关键词: 氯氧化铋, 光催化材料, 可见光拓展

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