半导体与稳定自由基TEMPO协同光催化选择性氧化反应

doi:10.12461/PKU.DXHX202404010

Abstract

Abstract: The persistent radical TEMPO (2,2,6,6-tetramethylpiperidine-N-oxyl) can be used in cooperating with semiconductor photocatalysis to promote electron and proton transfer during selective oxidation reactions. TEMPO is introduced into the reaction system as a redox mediator through rational design to improve efficiency. Both titanium dioxide and covalent organic frameworks can construct cooperative photocatalysis with TEMPO to activate diradical molecular oxygen for achieving the selective oxidation of organic substrates like amines and sulfides driven by visible light.

Key words: Redox mediator, Selective oxidation, Titanium dioxide, Covalent organic frameworks

Fengwei Huang, Fulin Zhang, Yuexin Wang, Xianjun Lang. Cooperative Photocatalysis of a Semiconductor with a Persistent Radical TEMPO for Selective Oxidation Reactions[J].University Chemistry, 2024, 39(12): 156-163.

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Cooperative Photocatalysis of a Semiconductor with a Persistent Radical TEMPO for Selective Oxidation Reactions

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