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Updated: Jul 27, 2025

A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks
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稀土改性金属有机框架和衍生品用于光学/电催化

Chuang Fan1, Wenrou Dong1, Yousaf Saira1

  • 1Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China.

Small (Weinheim an der Bergstrasse, Germany)
|June 9, 2023
PubMed
概括

稀土元素通过优化电子结构和协调来增强用于光/电催化的金属有机框架 (MOF). 这一审查详细介绍了RE-MOFs.

关键词:
4f 轨道的轨道电催化剂是一种电催化剂.金属有机框架的框架.光催化作用的光催化作用稀土是一种稀土.

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Electrocyclic reactions are reversible reactions. They involve an intramolecular cyclization or ring-opening of a conjugated polyene. Shown below are two examples of electrocyclic reactions. In the first reaction, the formation of the cyclic product is favored. In contrast, in the second reaction, ring-opening is favored due to the high ring strain associated with cyclobutene formation.
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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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