Fast ambipolar integrated circuits with poly(diketopyrrolopyrrole-terthiophene)

W.S.C. Roelofs, S.G.J. Mathijssen, J.C. Bijleveld, D. Raiteri, T.C.T. Geuns, M. Kemerink, E. Cantatore, R.A.J. Janssen, D.M. Leeuw, de

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Abstract

Ambipolar integrated circuits were prepared with poly(diketopyrrolopyrrole-terthiophene) as the semiconductor. The field-effect mobility of around 0.02 cm2/V¿s for both electrons and holes allowed for fabrication of functional integrated complementary metal-oxide semiconductor (CMOS)-like inverters and ring oscillators. The oscillation frequency was found to have a near quadratic dependence on the supply bias. The maximum oscillation frequency was determined to be 42 kHz, which makes this ring oscillator the fastest CMOS-like organic circuit reported to date.
Original languageEnglish
Article number203301
Pages (from-to)203301-1/3
Number of pages3
JournalApplied Physics Letters
Volume98
Issue number20
DOIs
Publication statusPublished - 2011

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