Breaking Dynamic Behavior in 3D Covalent Organic Framework with Pre-Locked Linker Strategy.

Xiaohong Chen, Chengyang Yu, Yusran Yusran, Shilun Qiu, Qianrong Fang

Abstract read

In one paragraph

Article in Nanomaterials (Basel, Switzerland), 2024. 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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5 · Who and what money

Authors and funding

5 authors.

Xiaohong ChenCollege of Chemistry, State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China.

Chengyang YuCollege of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China.

Yusran YusranCollege of Chemistry, State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China.ORCID 0000-0002-1840-4922

Shilun QiuCollege of Chemistry, State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China.

Qianrong FangCollege of Chemistry, State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China.ORCID 0000-0003-3365-5508

Funding

National Natural Science Foundation of China 22025504, 21621001, and 22105082

6 · The paper itself

Abstract

Due to their large surface area and pore volume, three-dimensional covalent organic frameworks (3D COFs) have emerged as competitive porous materials. However, structural dynamic behavior, often observed in imine-linked 3D COFs, could potentially unlock their potential application in gas storage. Herein, we showed how a pre-locked linker strategy introduces breaking dynamic behavior in 3D COFs. A predesigned planar linker-based 3,8-diamino-6-phenylphenanthridine (DPP) was prepared to produce non-dynamic 3D JUC-595, as the benzylideneamine moiety in DPP locked the linker flexibility and restricted the molecular bond rotation of the imine linkages. Upon solvent inclusion and release, the PXRD profile of JUC-595 remained intake, while JUC-594 with a flexible benzidine linker experienced crystal transformation due to framework contraction-expansion. As a result, the activated JUC-595 achieved higher surface areas (754 m

Indexed as

breaking dynamic behaviorcovalent organic frameworkgas storagepre-locked linker

Identifiers

PMID38392702

DOI10.3390/nano14040329

PMCPMC10891907

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