Journal
ADVANCED MATERIALS
Volume 27, Issue 5, Pages 825-830Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201404806
Keywords
air stability; crystal polymorphs; organic field-effect transistors (OFETs); self-assembly; thienoacenes
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Funding
- National Natural Science Foundation of China [51303185, 51033006, 21373229, 21473222, 51222306, 91233205, 91222203]
- China-Denmark Coproject [TRR61]
- Ministry of Science and Technology of China [2011CB808400, 2013CB933403, 2011CB932300, 2013 CB933500, 2014CB643600]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB12030300, XDB12010400]
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The first example for thienoacene derivatives with selective growth of different crystal polymorphs is simply achieved by solution-phase self-assembly. Compared with platelet-shaped a-phase crystals, organic field-effect transistors (OFETs) based on microribbon-shaped beta-phase crystals show a hole mobility up to 18.9 cm(2) V-1 s(-1), which is one of the highest values for p-type organic semiconductors measured under ambient conditions.
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