G
Gundula Voss
Researcher at University of Bayreuth
Publications - 37
Citations - 785
Gundula Voss is an academic researcher from University of Bayreuth. The author has contributed to research in topics: Indigo & Internal conversion (chemistry). The author has an hindex of 14, co-authored 37 publications receiving 708 citations. Previous affiliations of Gundula Voss include Johannes Kepler University of Linz & University of Göttingen.
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Journal ArticleDOI
Indigo and Tyrian Purple – From Ancient Natural Dyes to Modern Organic Semiconductors
Eric Daniel Głowacki,Gundula Voss,Lucia Leonat,Mihai Irimia-Vladu,Siegfried Bauer,Niyazi Serdar Sariciftci +5 more
TL;DR: The history of indigo dye and its deriv- ative Tyrian purple, from their roles in the ancient world to recent research showing the semiconducting properties of indigoids is described in this article.
Journal ArticleDOI
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 +8 more
TL;DR: In this article, X-ray diffraction of Tyrian Purple films reveals a highly-ordered structure with a single preferential orientation, attributed to intermolecular hydrogen bonding, with a band gap of ∼1.8 eV.
Journal ArticleDOI
Hydrogen-Bonded Organic Semiconductor Micro- And Nanocrystals: From Colloidal Syntheses to (Opto-)Electronic Devices
Mykhailo Sytnyk,Eric Daniel Głowacki,Sergii Yakunin,Gundula Voss,Wolfgang Schöfberger,Dominik Kriegner,Julian Stangl,Rinaldo Trotta,Claudia Gollner,Sajjad Tollabimazraehno,Giuseppe Romanazzi,Zeynep Bozkurt,Marek Havlicek,Niyazi Serdar Sariciftci,Wolfgang Heiss +14 more
TL;DR: The semiconducting nanocrystals described here offer a cheap, nontoxic, and environmentally friendly alternative to inorganic nanocry crystals as well as a new paradigm for obtaining organic semiconductor materials from commercial colorants.
Journal ArticleDOI
Spectral and Photophysical Studies of Substituted Indigo Derivatives in Their Keto Forms
J. Sérgio Seixas de Melo,Raquel Rondão,Hugh D. Burrows,Maria João Melo,Suppiah Navaratnam,Ruth Edge,Gundula Voss +6 more
TL;DR: Evidence is presented which supports the idea that intramolecular (and possibly some intermolecular) proton transfer can explain the high efficiency of internal conversion in indigo.
Journal ArticleDOI
Vacuum-processed polyethylene as a dielectric for low operating voltage organic field effect transistors.
Yasin Kanbur,Mihai Irimia-Vladu,Eric Daniel Głowacki,Gundula Voss,Melanie Baumgartner,Günther Schwabegger,Lucia Leonat,Mujeeb Ullah,Hizir Sarica,Sule Erten-Ela,Reinhard Schwödiauer,Helmut Sitter,Zuhal Küçükyavuz,Siegfried Bauer,Niyazi Serdar Sariciftci +14 more
TL;DR: This work shows that high-quality gate dielectrics consisting of polymeric materials can be vacuum-processed and supports low-hysteresis transport in C60 and pentacene.