Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 135, Issue 41, Pages 15286-15289Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja407883b
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Funding
- Cabinet Office, Government of Japan
- Japan Society for the Promotion of Science (JSPS) [25708013]
- Grants-in-Aid for Scientific Research [25708013, 25708014, 13J08138] Funding Source: KAKEN
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Herein we describe anhydrous proton transportation through 3D interconnected pathways formed by self-assembled molecular complexes. A thermotropic bicontinuous cubic (Cub(bi)) phase has been successfully obtained by mixing a wedge-shaped sulfobetaine with benzenesulfonic acid in different ratios. These ionic complexes exhibit the Cub(bi) phase in a wide range of temperatures, while the single zwitterionic compound shows only a columnar hexagonal phase, and benzenesulfonic acid is nonmesomorphic. Anhydrous proton conduction on the order of 10(-4) S cm(-1) has been achieved for the mixture in the Cub(bi) phase over 100 degrees C, which can be useful for the development of new electrolytes for the next generation of fuel cells.
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