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题名: Diazaisoindigo-Based Polymers with High-Performance Charge-Transport Properties: From Computational Screening to Experimental Characterization
作者: Huang, Jianyao1; Mao, Zupan1; Chen, Zhihui1; Gao, Dong1; Wei, Congyuan1; Zhang, Weifeng1; Yu, Gui1
刊名: CHEMISTRY OF MATERIALS
发表日期: 2016-04-12
卷: 28, 期:7, 页:2209-2218
收录类别: SCI
英文摘要: One of the major challenges confronting organic electronics is the development of high-mobility semiconducting materials, especially n-channel and ambipolar semiconductors. Solution-processable semiconducting polymers have attracted much attention because of their tunable properties and their suitability for the fabrication of large-scale devices. Aza substitution has proven effective in electron-transport small-molecule semiconductors; however, high-performance polymeric semiconductors prepared by aza substitution are still lacking. We started with a computational screening procedure to introduce nitrogen atoms into isoindigo-based polymers and then proceeded with the synthesis and fabrication of field-effect transistors. The resulting 7,7'-diazaisoindigo-based polymers exhibit extensive pi conjugation and high crystallinity with hole mobilities exceeding 7 cm(2) V-1 s(-1) with bottom-gate/bottom-contact configuration and ambipolar transport properties with top-gate/bottom-contact configuration in air. These properties make diazaisoindigo a promising building block for polymeric semiconductors.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/36023
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
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