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学科主题: 高分子化学
题名: Diketopyrrolopyrrole-Based Acceptor-Acceptor Conjugated Polymers: The Importance of Comonomer on Their Charge Transportation Nature
其他题名: 基于吡咯并吡咯结构的受体-受体共轭聚合物: 共聚单体对聚合物电荷传输性质的重要性
作者: Ge CW(葛从伍)1; Mei CY(梅崇余)1; Ling J(凌君)1; Zhao FG(赵福刚)1; Li HJ(李红娇)1; Liang L(梁龙)1; Wang JT(王金土)1; Shao W(邵伟)1; Xie YS(谢永树)1; Li WS(李维实)1
通讯作者: 谢永树 ; 李维实
刊名: J. Polym. Sci. Pol. Chem.
发表日期: 2014
DOI: 10.1002/pola.27248
卷: 52, 期:16, 页:2356-2366
收录类别: SCI
英文摘要: Besides the donor-acceptor (D-A) type, acceptoracceptor (A-A) polymers are another class of important alternative conjugated copolymers, but have been less studied in the past. In this study, two kinds of A-A polymers, P1 and P2, have been designed and synthesized based on diketopyrrolopyrrole in combination with the second electron-deficient unit, perylenediimide or thieno[3,4-c]pyrrole-4,6-dione. UV-vis absorption spectroscopy revealed that these two kinds of polymers have a band gap of 1.28-1.33 eV. Their highest occupied molecular orbital and lowest unoccupied molecular orbital energy levels are around -5.6 and -4.0 eV for P1 polymers, whereas -5.4 and -3.7 eV for P2 polymers, respectively. Density functional theory study disclosed that P1 backbone is in a vastly twisting state, whereas that of P2 is completely planar. Furthermore, organic field-effect transistor devices were fabricated using these two kinds of polymers as the active material. Of interest, the devices based on P1 polymers displayed nchannel behaviors with an electron mobility in the order of 10(-4) cm(2) V-1 s(-1). In contrast, the P2-based devices exhibited only p-channel charge transportation characteristics with a hole mobility in the order of 10(-3) cm(2) V-1 s(-1). (c) 2014 Wiley Periodicals, Inc.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/38898
Appears in Collections:高分子材料研究室_期刊论文

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作者单位: 1.华东理工大学
2.中科院上海有机化学研究所
3.浙江大学

Recommended Citation:
Ge CW,Mei CY,Ling J,et al. Diketopyrrolopyrrole-Based Acceptor-Acceptor Conjugated Polymers: The Importance of Comonomer on Their Charge Transportation Nature[J]. J. Polym. Sci. Pol. Chem.,2014,52(16):2356-2366.
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