期刊
APPLIED PHYSICS LETTERS
卷 104, 期 23, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4883216
关键词
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资金
- MEXT, Japan
- Grants-in-Aid for Scientific Research [25107002] Funding Source: KAKEN
We have investigated the film morphology and the field effect mobility of 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT) thin films which were formed by spin coating on the SiO2 substrate with solution-processed graphene electrodes. The domain size and the density of aggregates in the C8-BTBT film showed the same dependence on the spinning speed. These competitive two factors (domain size and density of aggregates) give an optimum spinning speed, at which the field effect mobility of C8-BTBT transistor showed a maximum (2.6 cm(2)/V s). This result indicates the importance of spinning speed in the fabrication of solution processed organic thin film transistors by spin coating. (C) 2014 AIP Publishing LLC.
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