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Sun B.,Waterloo Institute for Nanotechnology WIN | Hong W.,Waterloo Institute for Nanotechnology WIN | Yan Z.,Waterloo Institute for Nanotechnology WIN | Aziz H.,Waterloo Institute for Nanotechnology WIN | Li Y.,Waterloo Institute for Nanotechnology WIN
Advanced Materials | Year: 2014

A new electron acceptor building block, 3,6-di(pyridin-2-yl)pyrrolo[3,4-c ]pyrrole-1,4(2H,5H)-dione (DBPy), is used to construct a donor-acceptor polymer, PDBPyBT. This polymer exhibits a strong self-assembly capability, to form highly crystalline and oriented thin films with a short π-π stacking distance of 0.36 nm. PDBPyBT shows ambipolar charge-transport performance in organic thin-film transistors, reaching a record high electron-mobility value of 6.30 cm2 V-1 s-1. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Source

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