首页|Approaches to Improving Selectivity During Photoelectrochemical Transformation of Small Molecules

Approaches to Improving Selectivity During Photoelectrochemical Transformation of Small Molecules

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Photoelectrochemical(PEC)small-molecule oxidation can selectively transform substrates into high-value-added fine chemi-cals and increase the rate of cathode hydrogen evolution.Nevertheless,achieving high-selectivity PEC oxidation of small molecules to produce specific products is a very challenging task.In general,selectivity can be improved by changing the surface catalytic sites of the photoanode and modulating the interfacial environments of the reactions.Herein,recent advances in approaches to improving selective PEC oxidation of small molecules are introduced.We first briefly discuss the basic con-cept and fundamentals of small-molecule PEC oxidation.The reported approaches to improving the performance of selective PEC oxidation of small molecules are highlighted from two aspects:(1)changing the surface properties of photoanodes by selecting suitable materials or modifying the photoanodes and(2)mediating the oxidation reactions using redox mediators.The PEC oxidation mechanism of these studies is emphasized.We also discuss the challenges in this research direction and offer a perspective on the further development of selective PEC-based small-molecule transformation.

PhotoelectrocatalyticSmall-molecule oxidationImproving selectivitySurface propertiesMediating process

Sipeng Yang、Jie Yang、Mengyu Duan、Shirong Kang、Shaohua He、Chuncheng Chen

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Key Laboratory of Photochemistry,CAS Research/Education Center for Excellence in Molecular Sciences,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100190,China

School of Chemical Sciences,University of Chinese Academy of Sciences,Beijing 100190,China

国家自然科学基金中国科学院战略规划重点项目

22136005XDB36000000

2024

天津大学学报(英文版)
天津大学

天津大学学报(英文版)

EI
影响因子:0.343
ISSN:1006-4982
年,卷(期):2024.30(2)
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