Cyanated isoindigos for n-type and ambipolar organic thin film transistors

Wan Yue, Tao He, Matthias Stolte, Marcel Gsänger, Frank Würthner

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

A set of three core-cyanated isoindigos was synthesized by palladium-catalyzed cyanation of core-brominated isoindigos. With decreased LUMO level to −3.88 eV, the dicyanated isoindigo 5 showed ambient-stable electron mobility up to 0.044 cm2 V−1 s−1 in OTFTs with SAMs of TPA, while it exhibited ambipolar charge transport behaviour (0.11 cm2 V−1 s−1 for electrons and 0.045 cm2 V−1 s−1 for holes) on FOPA-modified substrates.

Original languageEnglish (US)
Pages (from-to)545-547
Number of pages3
JournalChemical Communications
Volume50
Issue number5
DOIs
StatePublished - Dec 10 2014

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