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제108회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Synthesis and Characterization of Soluble Anthracene Derivatives and Applications to Solution-Processable Organic Thin Film Transistors (OTFTs)

등록일
2011년 8월 4일 22시 40분 48초
접수번호
1499
발표코드
Ⅲ-ORGN.P-270 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
금 <발표Ⅲ>
발표형식
포스터
발표분야
유기화학
저자 및
공동저자
윤희준, 장상훈1, 황재영2, 고혜진, 신민기, 김윤희1, 권순기3
경상대학교 고분자공학전공, Korea
1경상대학교 화학과, Korea
2경상대학교 그린에너지융합연구소, Korea
3경상대학교 나노신소재공학부, Korea
Organic molecules soluble in organic solvents are promising materials for inexpensive device fabrication since they can be processed by simple solution techniques such as spin-coating, drop-casting, and inkjet-printing. To date, the efforts to synthesize soluble semiconducting molecules have focused on polymeric conjugated systems. Compared to polymers, however, oligomeric semiconducting molecules have several advantages including well-defined structure and ease of synthesis, purification and structural modification. A series of asymmetric anthracene derivatives (NDHPEA, TNDHPEA, ADHPEA) was synthesized by Suzuki cross-coupling reaction for organic thin film transistors (OTFTs). The structures of synthesized oligomers were confirmed by FT-IR, 1H-NMR, 13C-NMR and mass studies. They were found to be soluble in common organic solvents such as chloroform, dichloromethane and toluene. The physical properties of oligomers were also characterized by UV-visible, photoluminescence (PL), cyclic-voltametry (CV), differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA) and X-Ray diffraction (XRD) studies. The results showed that these oligomers possess high thermal stability of around 455℃(Td). The solution processed OTFTs (Top-contact) were fabricated using synthesized oligomers spin-coated on Si/SiO2 . The fabricated devices showed the field-effect mobility of 9.1 × 10-5 cm2/Vs for NDHPEA, 1.2 × 10-2 cm2/Vs for TNDHPEA and 1.8 × 10-5 cm-2/Vs for ADHPEA.

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