Synthesis of π-extended oxacenes and their application to organic field-effect transistors
作者:Chikara Hayasaka、Shusaku Nagano、Koji Nakano
DOI:10.1016/j.orgel.2021.106335
日期:2022.1
A variety of heteroacenes have been developed in the last decades as promising organic semiconducting materials for organic field effect transistors (OFETs). However, furan-fused ones have been rarely seen in literatures until very recently. Here we demonstrate the synthesis of dibenzo[d,d']naphtho[2,3-b:6,7-b']difurans (DBNDFs) and their application as the active layers for OFETs. Unsubstituted and
在过去的几十年中,已经开发出多种杂并苯作为有前途的有机场效应晶体管 (OFET) 的有机半导体材料。然而,直到最近,呋喃熔融物在文献中还很少见。这里我们展示了二苯并[ d , d ']naphtho[2,3- b :6,7- b的合成']二呋喃 (DBNDF) 及其作为 OFET 有源层的应用。成功合成了未取代和双癸基取代的 DBNDF。通过热重分析、差示扫描量热法、UV/Vis 吸收和光致发光光谱以及理论计算来检查热和光物理特性。其薄膜的面外 X 射线衍射测量和原子力显微镜显示,DBNDF π 核排列成其长轴垂直于基板。OFET 器件采用 DBNDF 作为有源层制造,表现出典型的 p 型传输特性。特别是,基于双癸基取代的 DBNDF 的 OFET 器件的空穴迁移率高达 0.62 cm 2⋅V -1⋅s -1。