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Junghoon Lee, A-Reum Han, Jayeon Hong, Jung Hwa Seo, Joon Hak Oh and Changduk Yang Inversion of Dominant Polarity in Ambipolar Polydiketopyrrolopyrrole with Thermally Removable Groups Advanced Functional Materials 22

Version of Record online: 12 JUN 2012 | DOI: 10.1002/adfm.201200940

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A narrow bandgap polymeric semiconductor, BOC-PTDPP, comprising alkyl substituted diketopyrrolopyrrole (DPP) and tert-butoxycarbonyl (t-BOC)-protected DPP, is synthesized and used in organic field-effect transistors (OFETs). The dominant polarity of charge carriers changes from positive to negative after the thermal cleavage of t-BOC groups at 200 °C.

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