材料科学
共轭体系
电子迁移率
聚合物
场效应晶体管
有机半导体
共聚物
晶体管
薄膜
涂层
有机电子学
光电子学
纳米技术
化学工程
复合材料
工程类
物理
电压
量子力学
作者
Luu Van Tho,Won‐Tae Park,Eun-Young Choi,Yong‐Young Noh
摘要
Recently, exceptionally high field-effect mobility in organic field-effect transistors (OFETs) has been fabricated using semiconducting films with one-dimensionally aligned, highly planar electron donor-acceptor copolymers, within the channel of transistors. Here, we propose an extremely simple coating method, called rotation coating, for preparing highly aligned, conjugated polymer thin films for applications in various organic electronic devices. We realize highly aligned polymer films using various conjugated polymers and applied the films as active layers for high-performance OFETs. Significantly high field-effect mobility values of 1.45 ± 0.46 cm2/Vs have been achieved for rotation coated diketopyrrolopyrrole-thieno[3,2-b]thiophene copolymer films.
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