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Design and construction of metal-organic frameworks for proton conductivity through the synergistic effect of dual groups.

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Title: Design and construction of metal-organic frameworks for proton conductivity through the synergistic effect of dual groups.
Authors: Guo, Xin-Ling1 (AUTHOR), Zhang, Wei1 (AUTHOR), Liu, Jing-Rui1 (AUTHOR), Shi, Xin-Qing1 (AUTHOR), Cui, Ru-Ping1 (AUTHOR), Zhang, Wen-Qian1 (AUTHOR) zwenqian@yeah.net, Bai, Xiang-Ru1 (AUTHOR)
Source: Journal of Solid State Chemistry. Jul2026, Vol. 359, pN.PAG-N.PAG. 1p.
Subjects: Proton conductivity, Ligands (Chemistry), Proton transfer reactions, Humidity, Metal-organic frameworks, Hydrogen bonding, Temperature effect
Abstract: Constructing metal-organic frameworks (MOFs) with high proton conductivity is a challenging task. This work constructed a novel MOF (Ag-BDSA) with excellent proton conductivity by selecting functional ligands. Ag-BDSA demonstrated excellent stability. The functional groups on the ligand formed numerous hydrogen bond interactions with water molecules, enabling rapid and efficient proton transfer. Its proton conductivity is dependent on temperature and humidity. And under the conditions of 98% RH and 90 °C, it exhibited the best proton conduction properties (0.94 × 10−2 S∙cm−1). The mechanism study indicated that it conformed to the Vehicle mechanism. This work had demonstrated the reliability and simplicity of functional ligands in the construction of MOFs with proton-conducting properties, and it was expected to be applied in the design of various functional MOFs. [Display omitted] • The best proton conduction property was 0.94 × 10−2 S∙cm−1. • Functionalized ligands enable the simple construction of MOFs. • Abundant proton acceptors and proton donors. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Constructing metal-organic frameworks (MOFs) with high proton conductivity is a challenging task. This work constructed a novel MOF (Ag-BDSA) with excellent proton conductivity by selecting functional ligands. Ag-BDSA demonstrated excellent stability. The functional groups on the ligand formed numerous hydrogen bond interactions with water molecules, enabling rapid and efficient proton transfer. Its proton conductivity is dependent on temperature and humidity. And under the conditions of 98% RH and 90 °C, it exhibited the best proton conduction properties (0.94 × 10−2 S∙cm−1). The mechanism study indicated that it conformed to the Vehicle mechanism. This work had demonstrated the reliability and simplicity of functional ligands in the construction of MOFs with proton-conducting properties, and it was expected to be applied in the design of various functional MOFs. [Display omitted] • The best proton conduction property was 0.94 × 10−2 S∙cm−1. • Functionalized ligands enable the simple construction of MOFs. • Abundant proton acceptors and proton donors. [ABSTRACT FROM AUTHOR]
ISSN:00224596
DOI:10.1016/j.jssc.2026.125974