Ambipolar organic field effect transistors and inverters with the natural material Tyrian Purple
Eric Daniel Głowacki,
Lucia Leonat,
Gundula Voss,
Marius-Aurel Bodea,
Zeynep Bozkurt,
Alberto Montaigne Ramil,
Mihai Irimia-Vladu,
Siegfried Bauer,
Niyazi Serdar Sariciftci
Affiliations
Eric Daniel Głowacki
Linz Institute for Organic Solar Cells (LIOS), Johannes Kepler University Linz, Altenberger Straße 69 A-4040, Linz, Austria
Lucia Leonat
Politehnica University of Bucharest, Faculty of Applied Chemistry and Materials Science, Bucharest, Romania; National Institute for Electrical Engineering, IPCE-CA, Bucharest, Romania
Gundula Voss
Department of Bioorganic Chemistry, University of Bayreuth, D-95440, Bayreuth, Germany
Marius-Aurel Bodea
Institute of Applied Physics, Johannes Kepler University Linz, Altenberger Straße 69 A-4040, Linz, Austria
Zeynep Bozkurt
Dept. of Material Science and Engineering, Sabanci University, Istanbul, Turkey
Alberto Montaigne Ramil
Linz Institute for Organic Solar Cells (LIOS), Johannes Kepler University Linz, Altenberger Straße 69 A-4040, Linz, Austria
Mihai Irimia-Vladu
Linz Institute for Organic Solar Cells (LIOS), Johannes Kepler University Linz, Altenberger Straße 69 A-4040, Linz, Austria
Siegfried Bauer
Soft Matter Physics, Johannes Kepler University Linz, Altenberger Straße 69 A-4040, Linz, Austria
Niyazi Serdar Sariciftci
Linz Institute for Organic Solar Cells (LIOS), Johannes Kepler University Linz, Altenberger Straße 69 A-4040, Linz, Austria
Ambipolar organic semiconductors enable complementary-like circuits in organic electronics. Here we show promising electron and hole transport properties in the natural pigment Tyrian Purple (6,6’-dibromoindigo). X-ray diffraction of Tyrian Purple films reveals a highly-ordered structure with a single preferential orientation, attributed to intermolecular hydrogen bonding. This material, with a band gap of ∼1.8 eV, demonstrates high hole and electron mobilities of 0.22 cm2/V·s and 0.03 cm2/V·s in transistors, respectively; and air-stable operation. Inverters with gains of 250 in the first and third quadrant show the large potential of Tyrian Purple for the development of integrated organic electronic circuits.
