N-acylated isoindigo based conjugated polymers for n-channel and ambipolar organic thin-film transistors

N-acylated isoindigo based conjugated polymers for n-channel and ambipolar organic thin-film transistors
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用于n沟道和双极有机薄膜晶体管的N-酰化异靛蓝基共轭聚合物

DOI:
10.1016/j.dyepig.2014.05.019
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发表时间:
2014-10
期刊:
影响因子:
4.5
通讯作者:
Zhang, Qing
Zhang, Qing
中科院分区:
材料科学2区
文献类型:
--
作者:
Wu, Yibing;Zhan, Xiaowei;Liu, Yunqi;Zhang, Qing

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合成了以N-酰化异靛蓝为受体单元的供体/受体聚合物。对聚合物的热、光、电化学和电荷传输性能进行了研究。新聚合物在 450 至 900 nm 范围内表现出广泛的吸收。由于N-酰化异靛蓝的强电子接受特性,与基于N-烷基化异靛蓝的聚合物相比,新型聚合物表现出窄的光学带隙和深的LUMO能级。新聚合物在有机薄膜晶体管(OTFT)器件中表现出型输运行为和平衡双极输运行为。
Donor/acceptor polymers withN-acylated isoindigo as acceptor units have been synthesized. The thermal, optical, electrochemical, and charge-transport properties of the polymers have been investigated. The new polymers show broad absorption from 450 to 900 nm. Due to the strong electron accepting characteristic ofN-acylated isoindigo, the new polymers exhibit narrow optical band gaps and deep LUMO energy levels compared with the polymers based onN-alkylated isoindigo. The new polymers shown-type transport behavior and balanced ambipolar transport behavior in organic thin film transistors (OTFT) device.
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