期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 61, 期 45, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202211686
关键词
Crown Ether; Crystal Engineering; Hydrogen Bond; Porous Framework; Proton Conduction
资金
- KAKENHI [JP19H04557, JP20H05862, JP21K18961, JP21H01919, JP21H05485]
- MEXT
- JSPS, Japan
- Chinese Scholarship Council (CSC)
- [JPJSBP120207401]
A rigid hydrogen-bonded organic framework was constructed using a flexible macrocyclic structure and directional intermolecular hydrogen bonding, showing proton conductivity with 1D channels. This unique water channel structure provides inspiration for creating molecular porous materials.
A rigid hydrogen-bonded organic framework (HOF) was constructed from a C-3-symmetric hexatopic carboxylic acid with a hydrophilic 18-crown-6-ether (18C6) component. Despite the flexible macrocyclic structure with many conformations, the derivative with three 4,4'-dicarboxy-o-terphenyl moieties in the periphery yielded a rigid layered porous framework through directional intermolecular hydrogen bonding. Interestingly, the HOF possesses 1D channels with bottleneck composed of 18C6 rings. The HOF shows proton conductivity (1.12x10(-7) S cm(-1)) through Grotthuss mechanism (E-a=0.27 eV) under 98 %RH. The present unique water channel structure provides an inspiration to create molecular porous materials.
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