화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2022년 봄 (04/06 ~ 04/08, 대전컨벤션센터)
권호 47권 1호
발표분야 분자전자 부문위원회
제목 The effect of doping and thermoelectric properties of the extended planar backbone of donor-acceptor polymers
초록 Designing of the polymer backbone provides a new avenue for improving charge transport and doping efficiency; Herein, a new donor-acceptor conjugated polymer with the extended planar backbone, C6-ICPDPP, is synthesized for the investigation between the backbone construction and thermoelectric behavior. The expended planar backbone of C6-ICPDPP consists of a combination of fused heterocyclic donor compounds, exhibiting p-type characteristics. Due to the investigation of the backbone structures, two types of solvents with different boiling points are prepared to make different structural behaviors of the C6-ICPDPP, however, their thermoelectric behaviors with doping are similar. Meanwhile, the type of charge carriers of C6-ICPDPP changes from positive to negative at high doping concentrations, and both power factors are 1.32 mK2 (p-type) and 0.410 µW/mK2 (n-type), respectively. This work would provide strategies for the polymer backbone engineering and electrical behaviors with doping.
저자 이택성1, 이수빈2, 최도영2, 서의현1, 안태규3, 정용진3, 김윤희2, 장재영1
소속 1한양대, 2경상대, 3한국교통대
키워드 organic thermoelectrics; donor-acceptor conjugated polymer; diketopyrrolopyrrole; extended planar backbone; polarity change of majority carriers
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