화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.26, No.10, 934-941, October, 2018
DOI10.1007/s13233-018-6130-0  Export Citation
Synthesis and Characterization of Cyclopentadithiophene and Thienothiophene-Based Polymers for Organic Thin-Film Transistors and Solar Cells
Pramod Kandoth Madathil1, 2, Shinuk Cho3, Sinil Choi1, Tae-Dong Kim1, and Kwang-Sup Lee1, †
  • 1Department of Advanced Materials, Hannam University, Daejeon 34054, Korea
  • 2Department of Chemistry, Christ University, Bangalore 560029, India
  • 3Department of Physics and EHSRC, University of Ulsan, Ulsan 44610, Korea
E-mail:
Novel donor-donor type alternating copolymers (8CDT-TT and 16CDT-TT) derived from cyclopentadithiophene (CDT) and thienothiophene (TT) moieties that differ from solubilizing side chains were successfully synthesized and characterized. After the synthesis of CDT-TT-based conjugated polymers with dioctyl and dihexadecyl side chains, their optical, thermal, structural and semiconducting properties were investigated. Organic thin-film transistors fabricated from 8CDT-TT and 16CDT-TT exhibit carrier mobilities as high as 3.92×10-4 and 1.05×10-3 cm2V-1s-1, respectively. Bulk heterojunction solar cells fabricated using a polymer:PCBM blend ratio of 1:3 exhibit power conversion efficiencies of 2.12 and 1.84% for 8CDT-TT and 16CDT-TT, respectively.
Keywords:donor-donor type conjugated polymers;organic thin film transistors;organic solar cells
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