有机薄膜晶体管(OTFT)的研究进展

The Recent Research Progress of Organic Thin Film Transistor

有机薄膜晶体管(organic thin film transistor,OTFT)具有工艺简单、成本低及柔韧性良好等优点,成为下一代显示技术的研究焦点。本文综述了有机薄膜晶体管的研究现状和未来的发展趋势,比较了采用不同材料的OTFT器件的性能,总结了影响OTFT性能的两大主要因素,即栅极绝缘层与有机有源层之间的界面特性和有机有源层与源/漏电极之间欧姆接触电阻的大小,并详细综述了改善OTFT性能的最新方法和研究成果。

Organic thin film transistor (OTFT) has been the focus of the next-generation display te-chnology because of simple fabrication process,low cost and good flexibility etc. This article reviewed the present research directions and future trend of OTFT,compared the characteristics of device with various materials. The two main factors impacting on OTFT performances were summarized,including the interface between the gate insulator and the organic semiconductor,and the contact resistance between the organic semiconductor and the source-drain electrodes. The latest methods used for improving OTFT performances and research results were also outlined.