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Updated: May 30, 2025

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
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基于triazine的共价有机框架中的链接微环境调制,用于增强光催化过氧化生产

Rongchen Liu1, Mengqi Zhang1, Fulin Zhang2

  • 1Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science and Engineering, Hubei University, Wuhan, 430062, China.

Small (Weinheim an der Bergstrasse, Germany)
|January 27, 2025
PubMed
概括

共价有机框架 (COF) 被修改为增强光催化过氧化 (H2O2) 生产. 一个定制的MeO-QN-TA-COF实现了创纪录的生产率,证明了链路调制的重要性.

关键词:
共价有机框架是共价有机框架.微环境调制微环境调制光催化反应是光催化反应.奇诺林连接 奇诺林连接三亚的三亚是一种

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The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
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Some cycloaddition reactions are activated by heat, while others are initiated by light. For example, a [2 + 2] cycloaddition between two ethylene molecules occurs only in the presence of light. It is photochemically allowed but thermally forbidden.
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