Pressure effects on metal/covalent-organic frameworks: structural and optical properties

IF 10.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Science China Chemistry Pub Date : 2024-05-23 DOI:10.1007/s11426-024-2050-5

Yixuan Wang, Yunfeng Yang, Xinyi Yang, Bo Zou

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引用次数: 0

Abstract

Metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) with highly ordered porous structure, tunable bandgap, large specific surface area and structural diversity, provide an appealing platform for the development of stimulus response, sensing, imaging and optoelectronics. Among various tuning methods, pressure engineering using the diamond anvil cell is a highly powerful in-situ technique, which can efficiently modulate the structural and optical properties of MOFs/COFs. This is beyond the realization of traditional chemical methods. This review outlines the research progress in the experiment-oriented discovery of new phases or unique properties under high pressure, including phase transition, abnormal compression, photoluminescence (PL) discoloration and enhancement. Notably, the improvement of PL quantum yield in MOFs could be achieved by pressure-treated engineering and hydrogen-bonding cooperativity effect. We also propose and establish the relationship between structure and optical properties under high pressure. Finally, the challenge and outlook of the current fields are summarized. We hope that this review will supply guidance for comprehending the development of high-pressure MOF/COF-related research fields, and offer novel strategies for designing more high-performance MOF/COF materials to ultimately expand their applications.

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压力对金属/共价有机框架的影响：结构和光学特性

金属有机框架（MOFs）和共价有机框架（COFs）具有高度有序的多孔结构、可调带隙、大比表面积和结构多样性，为刺激响应、传感、成像和光电子学的发展提供了一个极具吸引力的平台。在各种调谐方法中，利用金刚石砧室进行压力工程是一种功能强大的原位技术，可以有效地调控 MOFs/COFs 的结构和光学特性。这是传统化学方法无法实现的。本综述概述了以实验为导向在高压下发现新相或独特性质的研究进展，包括相变、异常压缩、光致发光（PL）变色和增强。值得注意的是，MOFs 中光量子产率的提高可以通过压力处理工程和氢键合作效应来实现。我们还提出并建立了高压下结构与光学特性之间的关系。最后，总结了当前领域所面临的挑战和前景。我们希望本综述能为理解高压 MOF/COF 相关研究领域的发展提供指导，并为设计更高性能的 MOF/COF 材料提供新的策略，最终拓展其应用领域。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Science China Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

14.40

自引率

7.30%

发文量

3787

审稿时长

2.2 months

期刊介绍： Science China Chemistry, co-sponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China and published by Science China Press, publishes high-quality original research in both basic and applied chemistry. Indexed by Science Citation Index, it is a premier academic journal in the field. Categories of articles include: Highlights. Brief summaries and scholarly comments on recent research achievements in any field of chemistry. Perspectives. Concise reports on thelatest chemistry trends of interest to scientists worldwide, including discussions of research breakthroughs and interpretations of important science and funding policies. Reviews. In-depth summaries of representative results and achievements of the past 5–10 years in selected topics based on or closely related to the research expertise of the authors, providing a thorough assessment of the significance, current status, and future research directions of the field.

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