High-Mobility n‑Type Conjugated Polymers Based on Electron-Deficient Tetraazabenzodifluoranthene Diimide for Organic Electronics

High-mobility p-type and ambipolar conjugated polymers have been widely reported. However, high-mobility n-type conjugated polymers are still rare. Herein we present poly(tetraazabenzodifluoranthene diimide)s, PBFI-T and PBFI-BT, which exhibit a novel two-dimensional (2D) π-conjugation along the mai...

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Published inJournal of the American Chemical Society Vol. 135; no. 40; pp. 14920 - 14923
Main Authors Li, Haiyan, Kim, Felix Sunjoo, Ren, Guoqiang, Jenekhe, Samson A
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 09.10.2013
Subjects
electronics
polymers
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Summary:High-mobility p-type and ambipolar conjugated polymers have been widely reported. However, high-mobility n-type conjugated polymers are still rare. Herein we present poly(tetraazabenzodifluoranthene diimide)s, PBFI-T and PBFI-BT, which exhibit a novel two-dimensional (2D) π-conjugation along the main chain and in the lateral direction, leading to high-mobility unipolar n-channel transport in field-effect transistors. The n-type polymers exhibit electron mobilities of up to 0.30 cm2/(V s), which is among the highest values for unipolar n-type conjugated polymers. Complementary inverters incorporating n-channel PBFI-T transistors produced nearly perfect switching characteristics with a high gain of 107.
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content type line 23
ISSN:0002-7863
1520-5126
1520-5126
DOI:10.1021/ja407471b