Bis‐Diketopyrrolopyrrole Moiety as a Promising Building Block to Enable Balanced Ambipolar Polymers for Flexible Transistors

A bis‐diketopyrrolopyrrole (DPP dimer, 2DPP) core is synthesized with much stronger electron deficiency than DPP by homocoupling of DPP. 2DPP‐based polymers, P2DPP‐BT, P2DPP‐TT, P2DPP‐TVT, and P2DPP‐BDT, are obtained. Top‐gated organic field‐effect transistors on plastic substrate are fabricated. Co...

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Published in:Advanced materials (Weinheim) 2017-06, Vol.29 (22), p.n/a
Main Authors: Yang, Jie, Wang, Hanlin, Chen, Jinyang, Huang, Jianyao, Jiang, Yingying, Zhang, Jianqi, Shi, Longxian, Sun, Yunlong, Wei, Zhixiang, Yu, Gui, Guo, Yunlong, Wang, Shuai, Liu, Yunqi
Format: Article
Language:English
Subjects:
balanced ambipolar
bis‐diketopyrrolopyrrole
Field effect transistors
field‐effect transistors, enhanced electron mobility
Materials science
plastic circuits
Polymers
Semiconductor devices
Transistors
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Summary:A bis‐diketopyrrolopyrrole (DPP dimer, 2DPP) core is synthesized with much stronger electron deficiency than DPP by homocoupling of DPP. 2DPP‐based polymers, P2DPP‐BT, P2DPP‐TT, P2DPP‐TVT, and P2DPP‐BDT, are obtained. Top‐gated organic field‐effect transistors on plastic substrate are fabricated. Compared with their mono‐DPP‐based polymers, remarkable improvement of electron mobilities of P2DPPs is achieved. Meanwhile, their p‐channel performance becomes higher. A bis‐diketopyrrolopyrrole (DPP dimer, 2DPP) core is synthesized with much stronger electron deficiency than DPP by homocoupling of DPP. 2DPP‐based polymers, P2DPP‐BT, P2DPP‐TT, P2DPP‐TVT, and P2DPP‐BDT, are obtained. Top‐gated organic field‐effect transistors are fabricated on plastic substrates. Compared with their mono‐DPP‐based polymers, remarkable improvement of electron mobilities of P2DPPs is achieved. Meanwhile, their p‐channel performance becomes higher.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201606162