Investigations into the Surface Active Sites and Reaction Mechanisms in Polymer Photocatalysts

Ying Zhang; Lei Wang; Hang-xun Xu

doi:10.11777/j.issn1000-3304.2020.20153

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Investigations into the Surface Active Sites and Reaction Mechanisms in Polymer Photocatalysts

更新时间：2021-01-26

- Investigations into the Surface Active Sites and Reaction Mechanisms in Polymer Photocatalysts
- Acta Polymerica Sinica Vol. 51, Issue 11, Pages: 1201-1213(2020)
- 作者机构：
  
  1.中国科学技术大学中国科学院软物质化学重点实验室高分子科学与工程系
  2. 合肥微尺度物质科学国家研究中心　合肥 230026
- 作者简介：
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2020.20153
  CLC：
- Published：30 September 2020，
  
  Published Online：20 August 2020，
  
  Received：12 June 2020，
  
  Revised：3 July 2020，
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Ying Zhang, Lei Wang, Hang-xun Xu. Investigations into the Surface Active Sites and Reaction Mechanisms in Polymer Photocatalysts. [J]. Acta Polymerica Sinica 51(11):1201-1213(2020)
DOI：

Ying Zhang, Lei Wang, Hang-xun Xu. Investigations into the Surface Active Sites and Reaction Mechanisms in Polymer Photocatalysts. [J]. Acta Polymerica Sinica 51(11):1201-1213(2020) DOI： 10.11777/j.issn1000-3304.2020.20153.

摘要

共轭高分子光催化材料因其化学结构可设计性强、电子结构可调性高，特别是其表面催化活性位点能够进行合理构筑等独特优势，近年来逐渐成为光催化研究领域的一类新兴材料. 系统研究高分子光催化材料的反应机理与调控机制对提高催化反应效率与反应产物选择性非常关键. 虽然关于高分子光催化材料的研究已经有超过30年的历史，但是目前高分子光催化材料仍然面临本征催化活性偏低及催化机理不清楚的难题. 本专论重点探讨近年来利用多种原位表征技术结合理论计算揭示高分子光催化材料中非金属有机官能团作为本征催化活性中心参与光催化反应时的表面反应活性位点和相关反应机理方面的研究进展，并展望未来共轭高分子光催化材料在光催化能量转换应用领域的挑战和机遇.

Abstract

Utilizing photocatalytic materials to convert solar energy into sustainable chemical fuels is a promising route to address the global energy crisis and environmental issues. Recently

conjugated polymer-based semiconductor materials have gradually emerged as a new class of materials in photocatalysis due to their highly controllable chemical structures with tunable electronic structures. Especially

their surface active sites can be rationally constructed. Systematic investigations into the reaction pathways and the associated regulating methodologies are highly desirable to enhance the reaction efficiency and selectivity. Although it has been more than 30 years since the first report of using polymer photocatalysts for photocatalytic water splitting

the intrinsic activity of polymer photocatalysts is still very low and elucidating the reaction mechanisms is still challenging. This feature article summarizes the recent progress in characterizing surface active sites and corresponding reaction pathways in photocatalytic reactions using metal-free polymer photocatalysts. Meanwhile

future opportunities and challenges in developing polymer photocatalysts for photocatalytic energy conversion are included. It is expected to provide crucial and significant insights for designing novel polymer photocatalysts with high activity and stability in the near future.

关键词

共轭高分子光催化活性位点反应路径太阳能转换

Keywords

Conjugated polymersPhotocatalysisActive sitesReaction pathwaysSolar energy conversion

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