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Indacenodithiophene-based single-component ambipolar polymer for high-performance vertical organic electrochemical transistors and inverters
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作者 Yimin Sun Yu Lan +9 位作者 Meisi Li Wang feng Miao Xie Yueping Lai Wei Li Yuhua Cheng Jianhua Chen Wei Huang liang-wen feng Junqiao Ding 《Aggregate》 EI CAS 2024年第5期297-306,共10页
Single-component ambipolar polymers are highly desirable for organic electrochem-ical transistors(OECTs)and integration into complementary logic circuits with reduced process complexity.However,they often suffer from ... Single-component ambipolar polymers are highly desirable for organic electrochem-ical transistors(OECTs)and integration into complementary logic circuits with reduced process complexity.However,they often suffer from imbalanced p-type and n-type characteristics and/or stability issues.Herein,a novel single-component ambipolar polymer,namely,gIDT–BBT is reported based on indacenodithiophene(IDT)as the electron donor,benzobisthiadiazole(BBT)as the electron acceptor and oligo ethylene glycol(OEG)as the side chain.Benefitting from the extended backbone planarity and rigidity of IDT,pronounced electron-withdrawing capabil-ity of BBT,favored ionic transport from OEG together with vertical OECT device structure,a nearly balanced ambipolar OECT performance is achieved for gIDT–BBT,revealing a high transconductance of 155.05±1.58/27.28±0.92 mS,a high current on/off ratio>10^(6) and an excellent operational stability under both p-type and n-type operation conditions.With gIDT–BBT in hand,furthermore,vertically stacked complementary inverters are successfully fabricated to show a maximum voltage gain of 28 V V^(-1)(V_(IN)=0.9 V)and stable operation over 1000 switching cycles,and then used for efficient electrooculogram recording.This work provides a new approach for the development of ambipolar single-component organic mixed ionic–electronic conductors and establishes a foundation for the manufacture of high-performance ambipolar OECTs and associated complementary circuits. 展开更多
关键词 electrooculogram recording INVERTERS single-component ambipolar polymer vertical organic electro-chemical transistors
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基于烷氧基侧链工程的聚电解质设计及离子异质结半导体纤维
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作者 邢毅 张靖灵 +5 位作者 樊纯宇 吴琪琳 孙恒达 冯良文 王刚 朱美芳 《中国科学:化学》 CAS CSCD 北大核心 2024年第4期654-666,共13页
一维离子-电子器件具有尺寸小、集成能力强的独特优势,但在环境温度下的低离子迁移率限制了其在生物集成电子领域的应用能力.本文通过侧链工程在传统咪唑基离子液体中引入烷氧基,并与聚乙二醇甲基丙烯酸酯(poly(ethylene glycol)methacr... 一维离子-电子器件具有尺寸小、集成能力强的独特优势,但在环境温度下的低离子迁移率限制了其在生物集成电子领域的应用能力.本文通过侧链工程在传统咪唑基离子液体中引入烷氧基,并与聚乙二醇甲基丙烯酸酯(poly(ethylene glycol)methacrylate,PEGMA)共聚,合成了低玻璃化转变温度(glass-transition temperature,Tg)的聚阳离子电解质poly(VIM-m-TFSI),在室温下实现了更高的链迁移率,显示出更低的离子阻抗和更宽的电化学窗口(-2.7~+2.7 V).与聚阴离子电解质poly(AMPS-EMIM)简单贴合,构筑了高性能全柔性离子异质结,实现了整流比为127的固态离子二极管.设计合成的两种聚电解质溶液表现出优异的溶液可加工性和流变性能,可直接用作3D打印油墨.最终,通过3D打印技术实现了离子异质结半导体纤维的一体化成型构筑,获得了基于5×5阵列单元的大面积半导体纤维纺织品,初步实现了输入信号的“0-1”整流,验证了离子异质结半导体纤维在织物逻辑电路领域的应用潜力. 展开更多
关键词 聚离子液体 侧链工程 烷氧基 3D打印 离子异质结半导体纤维
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