Journal
PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION
Volume 32, Issue 12, Pages 1051-1057Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ppsc.201500168
Keywords
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Funding
- City University of Hong Kong [7004378]
- National Natural Science Foundation Youth Project [21303081]
- Shenzhen overseas high level talents innovation plan of technical innovation project [KQCX20130628152708144]
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The mobility enhancement of organic thin-film transistors based on poly(3-hexylthiophene) (P3HT) by incorporating gold nanorods (Au NRs) is reported. Through varying the doping concentration and surface modifier of the Au NRs in P3HT matrix, the P3HT/Au composite with 0.5 mg mL(-1) pyridine-capped Au NRs exhibits a hole mobility of 0.059 cm(2) V-1 s(-1), this value is seven times higher than that of pristine P3HT. This remarkable improvement of mobility originates from the enhanced crystallinity and optimized orientation of P3HT after doping with Au NRs. In addition, the appropriate surface modification can produce more-efficient hole conduction of Au NRs.
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