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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202208625
|2 doi
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|a pubmed24n1163.xml
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|a (DE-627)NLM349150427
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|a DE-627
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|a eng
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|a Sun, Yayong
|e verfasserin
|4 aut
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|a Bio-Inspired Synthetic Hydrogen-Bonded Organic Frameworks for Efficient Proton Conduction
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|c 2023
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 23.02.2023
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|a Date Revised 23.02.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Hydrogen-bonded organic frameworks (HOFs) are a rising class of promising proton-conducting materials. However, they always suffer from the inherent contradiction between chemical stability and proton conduction. Herein, inspired by the self-assembly of lipid bilayer membranes, a series of aminomethylphosphonic acid-derived single-component HOFs are successfully developed with different substituents attached to the phosphonate oxygen group. They remain highly stable in strong acid or alkaline water solutions for one month owing to the presence of charge-assisted hydrogen bonds. Interestingly, in the absence of external proton carriers, the methyl-substituted phosphonate-based HOF exhibits a very high proton conductivity of up to 4.2 × 10-3 S cm-1 under 80 °C and 98% relative humidity. This value is not only comparable to that of HOFs consisting of mixed ligands but also is the highest reported in single-component HOFs. A combination of single-crystal structure analysis and density functional theory calculations reveals that the high conductivity is attributed to the strengthened H-bonding interactions between positively charged amines and negatively charged phosphonate groups in the channel of bio-inspired HOFs. This finding demonstrates that the well-defined molecular structure of proton conductors is of great importance in the precise understanding of the relationship between structure and property
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|a Journal Article
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|a bio-inspired
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|a hydrogen-bonded organic framework
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|a phosphonate
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|a proton conduction
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|a Wei, Jing
|e verfasserin
|4 aut
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|a Fu, Zhihua
|e verfasserin
|4 aut
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|a Zhang, Minyi
|e verfasserin
|4 aut
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|a Zhao, Sangen
|e verfasserin
|4 aut
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|a Xu, Gang
|e verfasserin
|4 aut
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|a Li, Chunsen
|e verfasserin
|4 aut
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|a Zhang, Jian
|e verfasserin
|4 aut
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|a Zhou, Tianhua
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 7 vom: 07. Feb., Seite e2208625
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:7
|g day:07
|g month:02
|g pages:e2208625
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|u http://dx.doi.org/10.1002/adma.202208625
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