Shiming Zhang, Yugeng Wen, Weiyi Zhou, Yunlong Guo, Lanchao Ma, Xingang Zhao, Zhen Zhao, Stephen Barlow, Seth R. Marder, Yunqi Liu and Xiaowei Zhan Perylene diimide copolymers with dithienothiophene and dithienopyrrole: Use in n-channel and ambipolar field-effect transistors Journal of Polymer Science Part A: Polymer Chemistry 51
Electron-transporting or ambipolar solution-processable polymers consisting of perylene diimide (PDI) acceptor moieties alternating with dithienothiophene (DTT), N-dodecyl-dithienopyrrole (DTP), or oligomers of these donor groups have been synthesized. In addition to varying the donor, the N,N′ substiuents of the PDIs have also been varied. The thermal, optical, electrochemical, and charge-transport properties of the polymers have been investigated. There is considerable variation in the charge transport properties of the polymers with the chemical structures.
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