Diketopyrrolopyrrole-Containing Quinoidal Small Molecules for High-Performance, Air-Stable, and Solution-Processable n-Channel Organic Field-Effect Transistors
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Qiao, Yali
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Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R ChinaChinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Qiao, Yali
[1
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Guo, Yunlong
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Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R ChinaChinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Guo, Yunlong
[1
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Yu, Chunmeng
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Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R ChinaChinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Yu, Chunmeng
[1
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Zhang, Fengjiao
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Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R ChinaChinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Zhang, Fengjiao
[1
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Xu, Wei
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Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R ChinaChinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Xu, Wei
[1
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Liu, Yunqi
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Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R ChinaChinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Liu, Yunqi
[1
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Zhu, Daoben
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Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R ChinaChinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Zhu, Daoben
[1
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机构:
[1] Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
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.