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Air Stable Novel OTFT Materials

등록일
2009년 8월 28일 15시 19분 30초
접수번호
1601
발표코드
금17J3심 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
금 15시 : 00분
발표형식
심포지엄
발표분야
유기화학 - New Development in Organic Chemistry (Function, Recognition, and Device)
저자 및
공동저자
권순기
경상대학교 나노신소재공학부, Korea
Organic thin film transistors (OTFTs) have attracted much attention as alternatives with low-cost and simple fabrication methods to conventional silicon-based one. A number of p-type organic transistors have been reported so far, OTFT fabricated from a few materials show a comparable mobility to amorphous silicon. The most well-known OTFT materials is pentacene which has a mobility and on/off ratio of about 1 cm2/V.sec and 107, respectively. In this presentation, we report the syntheses and characterization of new vacuum deposition and solution process p-type OTFT materials. OTFT devices of alkoxynaphthalene end-capped OTFT material show a charge carrier mobility of 0.64 cm2/Vs and on/off ratio of above 105 by vacuum deposition. OTFT devices of phenylacetylene containing anthracene derivative show a charge carrier mobility of 0.4 cm2/Vs and on/off ratio of above 104 by vacuum deposition. OTFT devices of 9,10-bis(trialkylpropylsilylethynyl)anthracene derivatives show a charge carrier mobility of 0.1 cm2/Vs and on/off ratio of above 107 and some morphology will be discussed. OTFT devices of polymeric organic semiconductors containing naphthalene show a charge carrier mobility of 1.7 x 10-2 cm2/Vs, on/off ratio of 4.8 x 104. OTFT devices of polymeric material with high aromatic density ahow a charge carrier mobility of 0.12 cm2/Vs, on/off ratio of about 105. OTFT devices of polymeric amorphous OTFT material show a charge carrier mobility of 2 x 10-2 cm2/Vs, on/off ratio of about 106.

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