화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2010년 가을 (10/07 ~ 10/08, 대구 EXCO)
권호 35권 2호
발표분야 기능성 고분자
제목 Solvent-free solution processed passivation layer for improved long-term stability of organic field-effect transistors
초록 In an effort to realize organic field-effect transistors (OFETs) that are stable over long periods of time, we have designed an organicinorganic hybrid passivation material (TGD622t) prepared via a non-hydrolytic sol-gel process that does not require the use of solvents. Fourier-transform infrared spectroscopy, transmission electron microscopy, and UV-visible spectroscopy demonstrated the high density and low porosity of the organicinorganic hybrid transparent TGD622t film after low-temperature curing (below 100°C). The dense TGD622t passivation layer, which exhibited a water vapor transmission rate (WVTR) of 0.434 g/m2day, effectively protected the poly[9,9-dioctylfluorenyl-2,7-diyl]-co-(bithiophene)]-based OFETs from humidity and oxygen in ambient air, resulting in a much more robust OFET performance with long-term stability relative to the operation of unpassivated devices.
저자 남수지1, 장재영1, 김기현2, 윤원민1, 정대성1, 권오관1, 장태현1, 박찬언1
소속 1포항공대, 2포항공과대
키워드 solvent-free; non-hydrolytic sol-gel; organicinorganic hybrid; passivation; transparent; water vapor transmission rate (WVTR); organic field-effect transistors
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