Solution-printed organic semiconductor blends exhibiting transport properties on par with single crystals

Muhammad Rizwan Niazi, Ruipeng Li, Erqiang Li, Ahmad R. Kirmani, Maged Abdelsamie, Qingxiao Wang, Wenyang Pan, Marcia M. Payne, John E. Anthony, Detlef-M. Smilgies, Sigurdur T Thoroddsen, Emmanuel P. Giannelis, Aram Amassian

Research output: Contribution to journalArticlepeer-review

162 Scopus citations

Abstract

Solution-printed organic semiconductors have emerged in recent years as promising contenders for roll-to-roll manufacturing of electronic and optoelectronic circuits. The stringent performance requirements for organic thin-film transistors (OTFTs) in terms of carrier mobility, switching speed, turn-on voltage and uniformity over large areas require performance currently achieved by organic single-crystal devices, but these suffer from scale-up challenges. Here we present a new method based on blade coating of a blend of conjugated small molecules and amorphous insulating polymers to produce OTFTs with consistently excellent performance characteristics (carrier mobility as high as 6.7 cm2 V−1 s−1, low threshold voltages of
Original languageEnglish (US)
JournalNature Communications
Volume6
Issue number1
DOIs
StatePublished - Nov 23 2015

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