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学科主题: 高分子化学
题名: Five-Ring Fused Tetracyanothienoquinoids as High-Performance and Solution-Processable n-Channel Organic Semiconductors: Effect of the Branching Position of Alkyl Chains
其他题名: Five-Ring Fused Tetracyanothienoquinoids as High-Performance and Solution-Processable n-Channel Organic Semiconductors: Effect of the Branching Position of Alkyl Chains
作者: LI JIE1; QIAO XIAOLAN1; XIONG YU1; Li HX(李洪祥)1; ZHU DAOBEN1
通讯作者: 李洪祥
刊名: Chem. Mat.
发表日期: 2014
DOI: 10.1021/cm502952u
卷: 26, 期:19, 页:5782-5788
收录类别: SCI
英文摘要: Dicyanomethylene-substituted quinoidal dithieno [2,3-d;2',3'-dlbenzo [1,2-b;4,5-b1 dithiophene compounds (QDTBDTs) with alkyl chains branched at different positions were synthesized. Thin-film transistor characteristics showed that the type of charge carriers in QDTBDTs could be tuned by changing the branching position of the alkyl chains. QDTBDT-2C exhibited n-channel behavior, and the observed electron mobility was 0.57 cm(2) V-1 s(-1) without post-treatment, one of the highest values reported for spin-coated thin-film transistors with no annealing under ambient conditions. QDTBDT-4C-based transistors displayed electron-dominated ambipolar transport behavior, with electron mobilities reaching 0.2 cm(2) V-1 s-i and hole mobilities in the range of 10-3-10-4 cm(2) V-1 s(-1). QDTBDT-3C showed solution-concentrationdependent carrier transport characteristics, exhibiting n-type behavior at low solution concentrations and ambipolar performance at high solution concentrations with an electron mobility of 0.22 cm(2) V-1 s(-1) and a hole mobility of 0.034 cm(2) V-1 s(-1). CMOSlike inverters fabricated from QDTBDT-2C displayed high gain and high noise margins.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/38908
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作者单位: 1.中科院上海有机化学研究所
2.中科院化学研究所

Recommended Citation:
LI JIE,QIAO XIAOLAN,XIONG YU,et al. Five-Ring Fused Tetracyanothienoquinoids as High-Performance and Solution-Processable n-Channel Organic Semiconductors: Effect of the Branching Position of Alkyl Chains[J]. Chem. Mat.,2014,26(19):5782-5788.
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