Reversible Exfoliation-Aggregation Dynamics in Ionic COFs for Tunable Interfacial Catalysis.

Jilu Yang, Xiaofei Zhang, Yue Li, Yuping Cao, Zhaowei Jia, Bo Li, Haitao Feng, Xiaoqiang Cui, Wenwu Qin

Abstract read

In one paragraph

Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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9 authors.

Jilu YangState Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, People's Republic of China.

Xiaofei ZhangState Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, People's Republic of China.

Yue LiState Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, People's Republic of China.

Yuping CaoSchool of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, People's Republic of China.

Zhaowei JiaGuangxi Key Laboratory of Al-Driven Zero-Carbon Technology, Key Laboratory of New Low-Carbon Green Chemical Technology, Education Department of Guangxi Zhuang Autonomous Region, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, People's Republic of China.ORCID https://orcid.org/0000-0002-6144-6159

Bo LiKey Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, People's Republic of China.

Haitao FengKey Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, People's Republic of China.

Xiaoqiang CuiSchool of Materials Science and Engineering, Key Laboratory of Automobile Materials of MOE, Jilin University, Changchun, People's Republic of China.ORCID https://orcid.org/0000-0002-5858-6257

Wenwu QinState Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, People's Republic of China.ORCID https://orcid.org/0000-0002-9782-6647

Funding

"International Cooperation Program of Gansu Province" 20YF3WA012National Natural Science Foundation of China 22279044National Natural Science Foundation of China 22401053

6 · The paper itself

Abstract

2D covalent organic frameworks (COFs) have emerged as promising functional materials for catalysis, adsorption, sensing, and energy storage. Their interfacial behavior and surface microenvironment play a decisive role in performance, yet these features are typically considered static or irreversible due to the lack of dynamic structure models. In this study, we report the construction of an ionic COF (iCOF), I-4, designed through precise tuning of its skeleton and counterions, which uniquely exhibits reversable dynamic exfoliation and aggregation behavior in aqueous environments. This enables bidirectional control over particle size and phase states. Photocatalytic hydrogen evolution (PHE) studies reveal a strong correlation between solution concentration, particle size, and hydrogen production efficiency. Notably, I-4 achieves a remarkable PHE rate of 190 mmol g

Indexed as

controllable‐exfoliation‐aggregationcovalent organic frameworkdynamic combinatorial chemistryphotocatalytic hydrogen evolutiontailorable particle size

Identifiers

PMID42598739

DOI10.1002/advs.77122

PMCPMC13474177

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.