论文摘要
A highly efficient and eco-friendly protocol for the synthesis of an alternating copolymer poly（7,7’-diazaisoindigo-alt-（E）-1,2-bis（3,4-difluorothien-2-yl）ethene）（PAIID-4FTVT） via direct ary lation poly condensation （DArP） is presented.Through detailed study,we found that the inhibitory effect of 7,7’-diazaisoindigo on DArP stemmed from the coordination of N atom with catalyst can be overcome by using dimethylacetamide （DMAc） as the co-solvent.Thus,PAIID-4FTVT with number-average molecular weight （Mn）> 100 kDa was synthesized via DArP by optimizing the content of DMAc.Matrix-assisted laser desorption ionization time-of-flight （MALDI-TOF） mass spectroscopy revealed that PAIID-4FTVT was defect-free.Top gate and bottom contact （TG/BC） organic thin-film transistors （OTFTs）were fabricated to characterize the semiconducting properties of the polymers.PAIID-4FTVT displayed unipolar n-type characteristics with the electron mobility （μe） strongly dependent on Mn.The highestμe up to 0.25 cm2·V-1·s-1 was achieved with the high molecular weight sample.
论文目录
文章来源
类型: 期刊论文
作者: Kai Guo,Yu Jiang,Ying Sui,Yun-Feng Deng,Yan-Hou Geng
来源: Chinese Journal of Polymer Science 2019年11期
年度: 2019
分类: 工程科技Ⅰ辑
专业: 有机化工
单位: School of Materials Science and Engineering, Tianjin University,State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences,Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering(Tianjin)
基金: financially supported by the National Key R&D Program of “Strategic Advanced Electronic Materials” (No. 2016YFB0401101) of the Chinese Ministry of Science and Technology,the National Natural Science Foundation of China (No. 51333006)
分类号: TQ316.4
页码: 1099-1104
总页数: 6
文件大小: 807K
下载量: 1
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