Eric Daniel Głowacki, Mihai Irimia-Vladu, Martin Kaltenbrunner, Jacek Gsiorowski, Matthew S. White, Uwe Monkowius, Giuseppe Romanazzi, Gian Paolo Suranna, Piero Mastrorilli, Tsuyoshi Sekitani, Siegfried Bauer, Takao Someya, Luisa Torsi and Niyazi Serdar Sariciftci Hydrogen-Bonded Semiconducting Pigments for Air-Stable Field-Effect Transistors Advanced Materials 25
Extensive intramolecular π-conjugation is considered to be requisite in the design of organic semiconductors. Here, two inkjet pigments, epindolidione and quinacridone, that break this design rule are explored. These molecules afford intermolecular π-stacking reinforced by hydrogen-bonding bridges. Air-stable organic field effect transistors are reported that support mobilities up to 1.5 cm2/Vs with T80 lifetimes comparable with the most stable reported organic semiconducting materials.
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