期刊信息

  • 刊名： 河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
  • 主办： 河北师范大学
  • ISSN： 1000-5854
  • CN： 13-1061/N
  • 中国科技核心期刊
  • 中国期刊方阵入选期刊
  • 中国高校优秀科技期刊
  • 华北优秀期刊
  • 河北省优秀科技期刊

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BiOBr基S型异质结制备及光催化CO2还原研究进展

  • (河北师范大学 化学与材料科学学院,石家庄 050024)
  • DOI： 10.13763/j.cnki.jhebnu.nse.202503013

Research Progress on Preparation of BiOBr-based S-scheme Heterojunction and Photocatalytic CO2 Reduction

摘要/Abstract

摘要：

CO2过度排放所带来的环境污染和能源危机问题对人类社会造成了严重困扰.因此，利用太阳能将CO2催化还原转化为高附加值有机物成为研究热点.目前，BiOBr半导体光催化剂因其具有独特的二维层状结构、合适的能带结构、可调的电子结构和良好的光催化性能而受到广泛关注.BiOBr基S型异质结光催化剂可以提升载流子分离效率、增强氧化还原能力、拓宽光吸收范围，显著增强了光催化性能.结合本课题组的研究工作，综述了几种典型BiOBr基S型异质结的制备方法、CO2还原性能及光催化机理的研究进展，并展望了其研究前景.

Abstract：

The environmental pollution and energy crisis caused by excessive CO2 emission have seriously troubled human society.Therefore,utilizing solar energy to catalyze the reduction of CO2 into high-value-added organic substances has become a research hotspot.Currently,BiOBr semiconductor photocatalyst has been widely concerned due to its unique two-dimensional layered structure,suitable energy band structure,adjustable electronic structure and good photocatalytic performance.The photocatalytic performance of BiOBr-based S-scheme heterojunction photocatalysts can be significantly enhanced as they can improve the carrier separation efficiency,enhance the redox ability and broaden the light absorption range.Based on the research works of our research group,the research progress on the preparation methods,CO2 reduction performance and photocatalytic mechanism of several typical BiOBr-based S-scheme heterojunctions were reviewed,and the research prospects were prospected.

关键词

关键词： BiOBr ; S型异质结 ; CO2还原 ; 光催化机理
Key words： BiOBr ; S-scheme heterojunction ; CO2 reduction ; photocatalytic mechanism

参考文献 35

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