화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2021년 가을 (10/20 ~ 10/22, 경주컨벤션센터)
권호 46권 2호
발표분야 분자전자 부문위원회 Ⅰ,Ⅱ
제목 Simple Purification of P3HT Nanowires by Centrifugation for Efficient Electronic Devices
초록 Solution-state crystallization of poly(3-hexylthiophene) (P3HT) has been recognized as a driving force to form the nanowires (NWs) via strong π-π interactions among planar rigid backbones. The NWs offer the fabrication of solution-processable thin-films in large-area printed flexible devices such as organic transistors, sensors, and photovoltaic devices due to the excellent charge carrier mobility. Not all P3HT chains are crystallized during the process of fabricating P3HT NW and some chains remain amorphous, affecting electrical properties. Here, we attempted to obtain pure P3HT NWs by separating the free polymer chains to solve this problem. After growing P3HT NW through solution state self-assembly, it was possible to easily separate NW and free polymer chains through purification using centrifugation. The NWs are successfully isolated from molecularly dissolved free polymer chains that affect the charge transporting mobility in thin-film transistor.
저자 진선미1, 이은지2
소속 1Gwangju Institute of Science and Technology, 2광주과학기술원
키워드 crystallization-driven assembly; conjugated polymer; nanowire; purification
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