Well-balanced ambipolar diketopyrrolopyrrole-based copolymers for OFETs,inverters and frequency doublers

查看全文 作　　者：Jiaxin [1,2]Yang;Qingqing [1,2]Liu;Mengxiao [1]Hu;Shang [1]Ding;Jinyu [1]Liu;Yongshuai [1,2]Wang;Dan [1,2]Liu;Haikuo [1,2]Gao;Wenping [3]Hu;Huanli [1,2]Dong

机构地区：[1]Beijing National Laboratory for Molecular Sciences,Key Laboratory of Organic Solids,Institute of Chemistry,Chinese Academy of Sciences,Beijing,100190,China;[2]School of Chemical Sciences,University of Chinese Academy of Sciences,Beijing,100049,China;[3]Tianjin Key Laboratory of Molecular Optoelectronic Sciences,Department of Chemistry,School of Science,Tianjin University&Collaborative Innovation Center of Chemical Science and Engineering,Tianjin,300072,China

出　　处：《Science China Chemistry》索引2021年第64卷第8期,共7页

基　　金：This work is financially supported by the Ministry of Science and Technology of China(2018YFA0703200,2017YFA0204503);the National Natural Science Foundation of China(91833306,61890943,51725304,22021002);Beijing National Laboratory for Molecular Sciences(BNLMS-CXXM-202012),the Youth Innovation Promotion Association of the Chinese Academy of Sciences,and the National Program for Support of Top-notch Young Professionals. 摘　　要：Conjugated polymers with well-balanced ambipolar charge transport is essential for organic circuits at low cost and large area with simplified fabrication techniques.Aiming at this point,herein,a novel asymmetric thiophene/pyridine-flanked diketopyrrolopyrrole-based copolymer(PPyTDPP-2FBT)is designed and synthesized.Due to the effect of incorporating F atoms on molecular energy alignment and conjugation conformation,the PPyTDPP-2FBT copolymer exhibits typical V-shaped ambipolar field-effect transfer characteristics with well-balanced hole and electron mobilities of 0.64 and 0.46 cm^(2)V^(−1)s^(−1),respectively.Furthermore,organic digital and analog circuits such as inverters and frequency doublers are successfully constructed based on solution-processed films of the PPyTDPP-2FBT copolymers which show a typical circuit operating mode with a high gain of 133 due to the well-balanced electrical properties.In addition,PPyTDPP-2FBT-based devices also demonstrate good stability and batch repeatability,suggesting their great potential applications in organic integrated electronic circuits. 关键词：conjugated polymers balanced ambipolar transport property organic field effect transistor inverter frequency doubler

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Well-balanced ambipolar diketopyrrolopyrrole-based copolymers for OFETs,inverters and frequency doublers

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