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journal article·2011-12-01Open access

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

AIP Advances· Volume 1· Issue 4
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Abstract

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.
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Research context

Electronic materials

OpenAlex topics: Luminescence and Fluorescent Materials · Porphyrin and Phthalocyanine Chemistry · Organic Electronics and Photovoltaics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Johannes Kepler University Linz 1 Linz Institute for Organic Solar Cells (LIOS), , Altenberger Straße 69 A-4040, Linz, Austria

Politehnica University of Bucharest 2 , Faculty of Applied Chemistry and Materials Science, Bucharest, Romania; National Institute for Electrical Engineering, IPCE-CA, Bucharest, Romania

University of Bayreuth 3 Department of Bioorganic Chemistry, , D-95440, Bayreuth, Germany

Johannes Kepler University Linz 4 Institute of Applied Physics, , Altenberger Straße 69 A-4040, Linz, Austria

Sabanci University 5 Dept. of Material Science and Engineering, , Istanbul, Turkey

Johannes Kepler University Linz 6 Soft Matter Physics, , Altenberger Straße 69 A-4040, Linz, Austria

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