논문 해외 국제전문학술지(SCI급) Optically proved molecular alignment behavior of organic semiconductor and its application for organic transistor with improved electrical characteristic
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2017
- 저자명 E.-Y. Shin, C.-H. Shin, H.-S. Lee, J.-H. Bae, M.-H. Kim*, and Y. Choi
- 학술지명 Journal of Nanoscience and Nanotechnology
- 발행처명 ScienceDirect
- 발행국가 해외
- 논문언어 외국어
- 전체저자수 4
홈페이지논문 초록 (Abstract)
We systematically studied the dependence of electrical characteristics in organic field-effect transistors (OFETs) on the optically proved degree of molecular alignment. In order to control the molecular alignment behavior, we applied rubbing techniques onto a polymeric layer. With increasing the number of rubbing processes, the organic semiconducting molecules show more aligned features, and thus, higher electrical properties are obtained. In addition, we adopted a photo-elastic modulator (PEM) approach in order to prove the molecular behavior which is highly effective to analyze the molecular structure with simple experimental setup. It is concluded that the enhanced electrical properties of the OFETs originate from the multi-rubbing-induced molecular alignment of organic semiconductor.