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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41360

Title: High-performance polythiophene thin-film transistors with nematic liquid crystal modification
Authors: Min-Kun Dai;Jan-Tien Lian;Tai-Yuan Lin;Ming-Chung Chen;Yian Tai;Yang-Fang Chen
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2012
Issue Date: 2017-02-14T08:33:43Z
Publisher: Organic Electronics
Abstract: Abstract: The influence of nematic liquid crystal molecules on the electrical properties and microstructure of polymer semiconductors poly(3-hexylthiophene) (P3HT) was investigated. It was found that the introduction of nematic liquid crystal molecules can significantly improve the performance of P3HT thin-film transistors, providing better electrical characteristics and enhanced mobility. The field-effect mobility of the device with liquid crystal modification can be enhanced by up to a factor of ten with respect to that of the pure P3HT device. UV–visible absorption spectroscopy, X-ray diffraction, and atomic force microscopy measurements show that the enhancement of charge-carrier mobility is achieved through a more highly organized morphology and a reduction in the density of traps presents in the P3HT/liquid crystal structure. The results shown here therefore illustrate a high-performance solution-processable thin-film transistors, which is quite feasible and can pave a key step for the practical applications of organic electronic devices.
Relation: 13(11)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41360
Appears in Collections:[光電科學研究所] 期刊論文

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