基于醌型噻吩并[3,4-b]噻吩-二酮吡咯并吡咯的n型半导体小分子的设计
Design of a Quinoidal Thieno[3,4-b]thiophene-Diketopyrrolopyrrole-Based Small Molecule as n-Type Semiconductor.
作者信息
Ren Longbin, Yuan Dafei, Zhu Xiaozhang
机构信息
Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
University of Chinese Academy of Sciences, Beijing, 100190, China.
出版信息
Chem Asian J. 2019 May 15;14(10):1717-1722. doi: 10.1002/asia.201801737. Epub 2019 Jan 16.
A quinoidal small-molecule semiconductor QDPPBTT was synthesized. Organic thin-film transistor (OTFT) devices based on QDPPBTT showed an electron mobility as high as 0.13 cm V s and I /I ratio of 10 under ambient conditions. We suggested that 2D extended π-conjugation and quinoid-enhancing effect had an important role in electron mobility and stability of n-type FET devices, which might be a good strategy in designing new material systems.
合成了一种醌型小分子半导体QDPPBTT。基于QDPPBTT的有机薄膜晶体管（OTFT）器件在环境条件下显示出高达0.13 cm² V⁻¹ s⁻¹的电子迁移率和10的Ion/Ioff比。我们认为二维扩展π共轭和醌增强效应在n型场效应晶体管器件的电子迁移率和稳定性方面具有重要作用，这可能是设计新材料系统的一个良好策略。
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