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학술지 Thin-Film Morphologies and Solution-Processable Field-Effect Transistor Behavior of a Fluorene-Thieno[3,2-b]thiophene-Based Conjugated Copolymer
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저자
임은희, 정병준, 이재민, 심홍구, 이정익, 양용석, 도이미
발행일
200505
출처
Macromolecules, v.38 no.10, pp.4531-4535
ISSN
0024-9297
출판사
American Chemical Society(ACS)
DOI
https://dx.doi.org/10.1021/ma048128e
협약과제
05IB1100, OTFT 소자 신뢰성 향상 기술 개발, 도이미
초록
A fluorene- and thienol[3,2-b]thiophene-based copolymer suitable for use as semiconducting materials in solution-processable organic field-effect transistors were synthesized. Replacement of the flexible bithiophene in F8T2 with a rigid fused thieno[3,2-b]thiophene yielded a polymer (F8TT) with higher crystallinity and an ordered morphology. Improvements in the performances of TFTs based on F8TT should be possible by the optimization of the fabrication conditions and/or the alignment technique for molecular orientation. The study provides valuable information on the relationship between the molecular structure of a semiconducting material and its electrical performance in thin film electronic devices.
KSP 제안 키워드
Conjugated copolymers, Fabrication conditions, Field-effect transistors(FETs), Molecular orientation, Molecular structure, Organic field-effect, electrical performance, electronic devices, semiconducting materials, solution-processable, thin film(TF)