화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2018년 가을 (10/10 ~ 10/12, 경주컨벤션센터)
권호 43권 2호
발표분야 대학원생 구두발표(영어발표, 발표15분)
제목 Flexible and Reliable Organic Field-Effect Transistors Using Low-Temperature Solution-Processed Polyimide Gate Dielectrics
초록 Polyimide (PI) has been widely used as a gate dielectric due to its remarkable thermal stability, chemical resistance and mechanical flexibility. However, the high processing temperature and high surface energy of the PI gate dielectrics hinder the realization of flexible and reliable electronic applications at low cost. Here, we demonstrate a low-temperature solution-processed organic field-effect transistor (OFET) using a fully imidized soluble PI gate dielectric. The low temperature processability of soluble PI gate dielectrics is confirmed by investigating the effect of annealing temperature on the dielectric properties and the electrical characteristics. By blending 6,13-Bis(triisopropylsilylethynyl)pentacene with polystyrene, the reliability of OFET has been considerably enhanced while maintaining high device performance. As a result, OFETs can be integrated with ultrathin parylene substrates and exhibit excellent flexibility without degrading device performance.
저자 박현진1, 유성미2, 이미혜2, 김윤호2, 정성준1
소속 1포항공과대, 2한국화학(연)
키워드 flexibility; reliability; polyimides; organic field-effect transistors; solution-processed
E-Mail