期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 136, 期 27, 页码 9552-9555出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja5041573
关键词
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资金
- Funding Program for World-Leading Innovative R&D on Science and Technology (FIRST) from the Cabinet Office, Government of Japan
- The Ministry of Education, Culture, Sports, Science and Technology (MEXT) [22107003, 2206]
- Japan Society for the Promotion of Science (JSPS)
- Grants-in-Aid for Scientific Research [25708013, 22107003] Funding Source: KAKEN
The photocontrol of the macroscopic alignment of nanostructured 2D ion-transporting pathways is described. The uniplanar homogeneous alignment of the thermotropic smectic (Sm) liquid-crystalline (LC) phase has been successfully achieved via photoinduced reorientation of the azobenzene groups of the imidazolium-based LC material. The ionic layers of the Sm LC phase are macroscopically oriented perpendicular to the surface of the glass substrate. The oriented films show anisotropic ion conduction in the Sm phase. This is the first example of the macroscopic photoalignment of ion-conductive LC arrays. Reversible switching of homeotropic and homogeneous alignments has also been achieved for the LC material. These materials and the alignment methodology may be useful in the development of ion-based circuits and memory devices.
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