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학술발표회초록보기

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제114회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Planar N-type conjugated polymers via intrachain noncovalent coulomb interactions

등록일
2014년 8월 28일 15시 39분 45초
접수번호
1114
발표코드
ORGN.P-853 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 15일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
유기화학
저자 및
공동저자
김지현, 우한영1,*
부산대학교 인지메카드로닉스공학과, Korea
1부산대학교 나노과학기술대학 나노융합공학과, Korea
Nowadays, organic field-effect transistors (OFETs) have received significant attention because of good film forming properties, simple processability and high flexibility. To improve the intrachain planarity and interchain association, noncovalent coulomb interactions (such as hydrogen bond and dipole-dipole interactions) were incorporated in the molecular design of N-type conjugated polymers. Here we synthesized an electron-poor thiazole and benzothiadiazole based copolymer (PDTzBT) to study charge carrier transport characteristics for OFET applications. The measured number-average molecular weight (Mn) of PDTzBT was 14,000 g/mol and optical bandgap was 1.88 eV. The energy levels of the highest occupied and lowest unoccupied molecular orbitals were ?5.82 and ?3.94 eV, respectively. Here, we suggest that this thiazole and benzothiadiazole based PDTzBT is a promising building block for developing new optoelectronic n-type materials. The detailed device performance based on the polymer will be discussed further.

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