Engineered covalent organic frameworks (COFs) for adsorption-based metal separation technologies: A critical review

IF 15.9 1区化学 Q1 CHEMISTRY, PHYSICAL

Advances in Colloid and Interface Science Pub Date : 2025-04-05 DOI:10.1016/j.cis.2025.103507

Brij Mohan , Muhammad Bilal Asif , Rakesh Kumar Gupta , Armando J.L. Pombeiro , Cafer T. Yavuz , Peng Ren

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Abstract

Porous covalent organic frameworks (COFs) are promising materials used for separation and purification during environmental remediation. This critical review focuses on two key aspects. First, it critically examines strategies to improve COF design and structure and evaluates their impact on separation performance. Second, engineering approaches for enhancing the interactions between COF-based adsorbents and metals for enhanced separation and capture are elucidated. The latest body of research on separating metals (e.g., Li, K, Sr, Hg, Cd, Pb, Cr, Au, Ag, Pd, and U) using COF-based adsorbents is discussed to understand the factors that influence their performance. However, it is to be noted that COF-based adsorbents are still in their infancy and remain largley unexplored, mainly hindered by synthetic complexities and suboptimal crystalline structures. This highlights the need for further research and development to fully unlock the excellent potential of COFs for metal separation applications, particularly in environmental and energy applications.

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用于吸附型金属分离技术的工程共价有机框架 (COF)：重要综述

多孔共价有机框架（COFs）是一种很有前途的材料，可用于环境修复过程中的分离和净化。本评论主要关注两个方面。首先，它严格审查了改进 COF 设计和结构的策略，并评估了这些策略对分离性能的影响。其次，阐明了增强 COF 基吸附剂与金属之间相互作用以提高分离和捕获效果的工程方法。讨论了使用 COF 基吸附剂分离金属（如锂、钾、锶、汞、镉、铅、铬、金、银、钯和铀）的最新研究成果，以了解影响其性能的因素。不过，需要注意的是，COF 基吸附剂仍处于起步阶段，主要受制于合成复杂性和结晶结构不理想，仍有很大的发展空间。这凸显了进一步研究和开发的必要性，以充分释放 COFs 在金属分离应用（尤其是环境和能源应用）方面的巨大潜力。

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来源期刊

Advances in Colloid and Interface Science 化学-物理化学

CiteScore

28.50

自引率

2.60%

发文量

175

审稿时长

31 days

期刊介绍： "Advances in Colloid and Interface Science" is an international journal that focuses on experimental and theoretical developments in interfacial and colloidal phenomena. The journal covers a wide range of disciplines including biology, chemistry, physics, and technology. The journal accepts review articles on any topic within the scope of colloid and interface science. These articles should provide an in-depth analysis of the subject matter, offering a critical review of the current state of the field. The author's informed opinion on the topic should also be included. The manuscript should compare and contrast ideas found in the reviewed literature and address the limitations of these ideas. Typically, the articles published in this journal are written by recognized experts in the field.