화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2013년 봄 (04/11 ~ 04/12, 대전컨벤션센터)
권호 38권 1호
발표분야 분자전자 부문위원회
제목 Tunable Crystal Structures of DPP-based Semiconducting Polymers for High-Performance Organic Field-Effect Transistors
초록 Novel semiconducting polymers containing electron donors and acceptors were synthesized in order to improve the electrical properties of these solid forms in organic electric devices. In addition, π-conjugated backbone lengths and components were changed to optimize HOMO-LUMO level and directed self-assembly of these polymers during solution film processes. Diketopyrrolopyrrole (DPP)-based semiconducting polymer films were solution-cast on hydroxyl free gate dielectrics from various solutions. Some of the cast films were further post-treated to improve these crystallinities and π-conjugated orientations. Electrical properties of the cast P3HT films in organic field-effect transistors (OFETs) were characterized and correlated with the corresponding crystal structures, as determined by scanning probe microscopy and synchrotron-based grazing-incidence X-ray diffraction.
저자 장미1, 강일2, 김윤희2, 권순기2, 양회창1
소속 1인하대, 2경상대
키워드 diketopyrrolopyrrole; organic semiconductor; organic field-effect transistor
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