Z
Zenon Hotra
Researcher at Lviv Polytechnic
Publications - 65
Citations - 599
Zenon Hotra is an academic researcher from Lviv Polytechnic. The author has contributed to research in topics: OLED & Liquid crystal. The author has an hindex of 10, co-authored 65 publications receiving 506 citations. Previous affiliations of Zenon Hotra include Rzeszów University of Technology.
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Journal ArticleDOI
Mixing of Phosphorescent and Exciplex Emission in Efficient Organic Electroluminescent Devices
Vladyslav Cherpak,Pavlo Stakhira,Boris F. Minaev,Gleb V. Baryshnikov,Evgeniy Stromylo,Igor Helzhynskyy,Marian Chapran,Dmytro Volyniuk,Zenon Hotra,Zenon Hotra,Asta Dabuliene,Ausra Tomkeviciene,Lesya Voznyak,Juozas V. Grazulevicius +13 more
TL;DR: A yellow organic light-emitting diode (OLED) based on the star-shaped donor compound tri(9-hexylcarbazol-3-yl)amine, which provides formation of the interface exciplexes with the iridium(III) bis[4,6-difluorophenyl]-pyridinato-N,C2']picolinate (FIrpic) and exhibits a high external quantum efficiency.
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Contribution of TADF and exciplex emission for efficient “warm-white” OLEDs
Gintare Grybauskaite-Kaminskiene,Khrystyna Ivaniuk,Gintautas Bagdziunas,Pavlo Turyk,Pavlo Stakhira,Gleb V. Baryshnikov,Dmytro Volyniuk,Vladyslav Cherpak,Boris F. Minaev,Zenon Hotra,Zenon Hotra,Hans Ågren,Hans Ågren,Juozas V. Grazulevicius +13 more
TL;DR: The bicarbazole derivative 4,4'-(9H, 9'H]-3,3'-bicarbasole]-9,9'-diyl bis(3-(trifluoromethyl) benzonitrile), denoted as pCNBCzoCF(3), was synthesized and tested for white OLED applications as mentioned in this paper.
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Characteristics of organic light emitting diodes with copper iodide as injection layer
Pavlo Stakhira,Vladyslav Cherpak,D. Volynyuk,F. Ivastchyshyn,Zenon Hotra,Zenon Hotra,V. Tataryn,G. Luka +7 more
TL;DR: In this paper, the use of a thin copper iodide (CuI) film as an efficient injection layer of holes from indium tin oxide (ITO) anode in a light-emitting diode structure based on tris-8-hydroxyquinoline aluminium (Alq3) was studied.
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Highly Luminous Sky-Blue Organic Light-Emitting Diodes Based on the Bis[(1,2)(5,6)]indoloanthracene Emissive Layer
Khrystyna Ivaniuk,Vladyslav Cherpak,Pavlo Stakhira,Zenon Hotra,Zenon Hotra,Boris F. Minaev,Gleb V. Baryshnikov,Evgeniy Stromylo,Dmytro Volyniuk,Juozas V. Grazulevicius,Algirdas Lazauskas,Sigitas Tamulevičius,Bernhard Witulski,Mark E. Light,Pawel Gawrys,Richard J. Whitby,Gabriela Wiosna-Salyga,Beata Luszczynska +17 more
TL;DR: In this article, an in-depth analysis of the electro-optical and light-emissive properties was carried out with a new fused heteroacene, the bis[(1,2)(5,6)]indoloanthracene, which exhibits bright luminescence with high quantum yield in solution as well as in the solid state.
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Blue organic light-emitting diodes based on pyrazoline phenyl derivative
Pavlo Stakhira,S. V. Khomyak,Vladyslav Cherpak,Dmytro Volyniuk,Jurate Simokaitiene,Ausra Tomkeviciene,Nadzeya A. Kukhta,Juozas V. Grazulevicius,Alexander V. Kukhta,Xiao Wei Sun,Hilmi Volkan Demir,Hilmi Volkan Demir,Zenon Hotra,Zenon Hotra,L. Voznyak +14 more
TL;DR: In this article, the results of an experimental study of the electroluminescent device made of ITO/CuI/2,6- di-tert.-butyl-4-(2,5-diphenyl-3,4-dihydro-2H-pyrazol-3-yl)-phenol (HPhP)/3, 6-Di(9-carbazolyl)-9-(2- ethylhexyl) carbazole (TCz1)/Ca:Al with efficacy up to 10.63 cd