Diketopyrrolopyrrole-Containing Quinoidal Small Molecules for High-Performance, Air-Stable, and Solution-Processable n-Channel Organic Field-Effect Transistors

被引:282
作者
Qiao, Yali [1 ]
Guo, Yunlong [1 ]
Yu, Chunmeng [1 ]
Zhang, Fengjiao [1 ]
Xu, Wei [1 ]
Liu, Yunqi [1 ]
Zhu, Daoben [1 ]
机构
[1] Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
基金
中国国家自然科学基金;
关键词
THIN-FILM TRANSISTORS; ACTIVE-MATRIX DISPLAYS; SOLAR-CELLS; POLYMER; SEMICONDUCTORS; MOBILITY; AMBIPOLAR; CIRCUITS; ACCEPTOR; DESIGN;
D O I
10.1021/ja3003183
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We report the synthesis, characterization, and application of a novel series of diketopyrrolopyrrole (DPP)-containing quinoidal small molecules as highly efficient n-type organic semiconductors in thin film transistors (TFTs). The first two representatives of these species exhibit maximum electron mobility up to 0.55 cm(2) V-1 s(-1) with current on/current off (I-on/I-off) values of 10(6) for 1 by vapor evaporation, and 0.35 cm(2) V-1 s(-1) with I-on/I-off values of 10(5)-10(6) for 2 by solution process in air, which is the first demonstration of DPP-based small molecules offering only electron transport characteristics in TFT devices. The results indicate that incorporation of a DPP moiety to construct quinoidal architecture is an effective approach to enhance the charge-transport capability.
引用
收藏
页码:4084 / 4087
页数:4
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