Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 3, Issue 9, Pages 1982-1993Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4tc01690d
Keywords
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Funding
- Japan Security Scholarship Foundation
- Ogasawara Foundation
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) [24108729, 25102533]
- Japan Society for the Promotion of Science (JSPS) [22350080]
- Iwatani Naoji Foundation
- Asahi Glass Foundation
- Murata Science Foundation
- Grants-in-Aid for Scientific Research [15H00753, 22350080, 15H03797, 24108729, 25102533] Funding Source: KAKEN
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Ferroelectric liquid-crystalline phenylterthiophene derivatives bearing a decenyl group, disiloxane chain, and cyclotetrasiloxane ring were synthesized. These compounds exhibited a chiral smectic C (SmC*) phase. The spontaneous polarizations of the compounds exceeded 50 nC cm(-2). The hole mobilities determined by the time-of-flight method were in the order of 1 x 10(-4) cm(2) V-1 s(-1). The compound with a decenyl group exhibited an anomalous photovoltaic effect in the SmC* phase although the conversion efficiency was lower than 0.01%. Notably, even the compound bearing a bulky cyclotetrasiloxane ring exhibited an enantiotropic SmC* phase.
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