From the journal:

Chemical Communications

Pore-wall pyridine-N density regulation in covalent organic frameworks for enhanced gold capture

Jun Cao,a   Meng Li,a   Hao Wang,a   Shiyuan Wei,a   Ruoyan Li,a   Jinping Xiahou,a   Jianhan Huang, ORCID logo *a   Jiawei Li ORCID logo *a  and  You-Nian Liu ORCID logo a  

* Corresponding authors

a Hunan Provincial Key Laboratory of Micro and Nano Material Interface, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
E-mail: jianhanhuang@csu.edu.cn, lijiawei@csu.edu.cn

Abstract

Pore-wall pyridine-N density regulation in quinoline-linked covalent organic frameworks (COFs) markedly enhances gold capture. COF-Q-Pz with the highest pyridine-N density achieves the highest adsorption capacity of 2512.2 mg g−1 and excellent selectivity to gold. It performs effectively in real CPU leachate, highlighting a practical strategy for gold recovery from e-waste.

Graphical abstract: Pore-wall pyridine-N density regulation in covalent organic frameworks for enhanced gold capture

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Article information

DOI
https://doi.org/10.1039/D6CC01607C
Article type
Communication
Submitted
17 Mar 2026
Accepted
03 May 2026
First published
04 May 2026

Chem. Commun., 2026, Advance Article

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Pore-wall pyridine-N density regulation in covalent organic frameworks for enhanced gold capture

J. Cao, M. Li, H. Wang, S. Wei, R. Li, J. Xiahou, J. Huang, J. Li and Y. Liu, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D6CC01607C

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