Synthesis, derivation, and applications of imine-linked covalent organic frameworks: A comprehensive review

IF 4.8 3区材料科学 Q1 CHEMISTRY, APPLIED

Microporous and Mesoporous Materials Pub Date : 2025-01-22 DOI:10.1016/j.micromeso.2025.113516

Anjana P.N., Ajmal Koya Pulikkal

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Abstract

Crystalline 2D and 3D covalent organic frameworks (COFs) are formed by covalent bonds connecting light elements through thermodynamically reversible reactions. Among the numerous COFs synthesised, imine-linked COFs formed from Schiff bases are important and occupy a major share. A significant increase in the exploration of imine-linked COFs due to their better hydrolytic stability and availability of substrates has been noticed in recent years. This review article delves into the synthesis, post-synthetic modifications, and applications of imine-linked COFs. Methodologies such as solvothermal, microwave-assisted, mechanochemical, sonochemical, electron beam, plasma-induced, light-driven, and room temperature synthesis have been explored. De novo synthesis and post-synthetic modifications further extend the functional characteristics of imine COFs, enabling tailored properties for specific applications. The potential of imine-linked COFs in addressing critical challenges is highlighted through their applications in carbon dioxide and iodine uptake, separation processes, catalysis, drug delivery, etc. Their appealing qualities, such as durability, enhanced reactivity from non-bonding electrons of nitrogen, permanent porosity, and large surface area, are highly effective for diverse applications. This article provides a detailed understanding of the current advancements in the field, offering insights into future research directions for developing more efficient and functional imine COFs.

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来源期刊

Microporous and Mesoporous Materials 化学-材料科学：综合

CiteScore

10.70

自引率

5.80%

发文量

649

审稿时长

26 days

期刊介绍： Microporous and Mesoporous Materials covers novel and significant aspects of porous solids classified as either microporous (pore size up to 2 nm) or mesoporous (pore size 2 to 50 nm). The porosity should have a specific impact on the material properties or application. Typical examples are zeolites and zeolite-like materials, pillared materials, clathrasils and clathrates, carbon molecular sieves, ordered mesoporous materials, organic/inorganic porous hybrid materials, or porous metal oxides. Both natural and synthetic porous materials are within the scope of the journal. Topics which are particularly of interest include: All aspects of natural microporous and mesoporous solids The synthesis of crystalline or amorphous porous materials The physico-chemical characterization of microporous and mesoporous solids, especially spectroscopic and microscopic The modification of microporous and mesoporous solids, for example by ion exchange or solid-state reactions All topics related to diffusion of mobile species in the pores of microporous and mesoporous materials Adsorption (and other separation techniques) using microporous or mesoporous adsorbents Catalysis by microporous and mesoporous materials Host/guest interactions Theoretical chemistry and modelling of host/guest interactions All topics related to the application of microporous and mesoporous materials in industrial catalysis, separation technology, environmental protection, electrochemistry, membranes, sensors, optical devices, etc.