Self-organization of room-temperature ionic liquids exhibiting liquid-crystalline bicontinuous cubic phases: Formation of nano-ion channel networks
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作者:
Ichikawa, Takahiro
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机构:Univ Tokyo, Sch Engn, Dept Chem & Biotechnol, Bunkyo Ku, Tokyo 1138656, Japan
Ichikawa, Takahiro
Yoshio, Masafumi
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机构:Univ Tokyo, Sch Engn, Dept Chem & Biotechnol, Bunkyo Ku, Tokyo 1138656, Japan
Yoshio, Masafumi
Hamasaki, Atsushi
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机构:Univ Tokyo, Sch Engn, Dept Chem & Biotechnol, Bunkyo Ku, Tokyo 1138656, Japan
Hamasaki, Atsushi
Mukai, Tomohiro
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机构:Univ Tokyo, Sch Engn, Dept Chem & Biotechnol, Bunkyo Ku, Tokyo 1138656, Japan
Mukai, Tomohiro
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Ohno, Hiroyuki
Kato, Takashi
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Univ Tokyo, Sch Engn, Dept Chem & Biotechnol, Bunkyo Ku, Tokyo 1138656, JapanUniv Tokyo, Sch Engn, Dept Chem & Biotechnol, Bunkyo Ku, Tokyo 1138656, Japan
Kato, Takashi
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机构:
[1] Univ Tokyo, Sch Engn, Dept Chem & Biotechnol, Bunkyo Ku, Tokyo 1138656, Japan
[2] Tokyo Univ Agr & Technol, Dept Biotechnol, Tokyo 1848588, Japan
Three-dimensionally interconnected nano-ion channel networks are formed by room-temperature ionic liquids exhibiting thermotropic liquid-crystalline (LC) bicontinuous cubic phases. These LC ionic liquids are a new family of ion-conductive materials with selforganized nanostructures. The ionic liquids have fan-shaped block molecular structures composed of two immiscible molecular parts: the ammonium moiety at the focal point and the lipophilic tris(alkyloxy)phenyl part. We demonstrate that the ionic conductivities of the materials that are alignment free in the LC bicontinuous cubic phases are higher than those observed in the LC columnar phases.