Search Results - "Stakhira, P."

Efficient “Warm-White” OLEDs Based on the Phosphorescent bis-Cyclometalated iridium(III) Complex by Cherpak, V, Stakhira, P, Minaev, B, Baryshnikov, G, Stromylo, E, Helzhynskyy, I, Chapran, M, Volyniuk, D, Tomkuté-Lukšiené, D, Malinauskas, T, Getautis, V, Tomkeviciene, A, Simokaitiene, J, Grazulevicius, J.V

“…The starburst carbazole derivative and phosphorescent bis-cyclometalated iridium(III) complex (IC2) were used for the preparation of multilayered “warm-white”…”
Get full text

BODIPY-core 1,7-diphenyl-substituted derivatives for photovoltaics and OLED applications by Ivaniuk, K., Pidluzhna, А., Stakhira, P., Baryshnikov, G.V., Kovtun, Y.P., Hotra, Z., Minaev, B.F., Ågren, H.

“…In the current study we demonstrate an application of four previously synthesized 1,7-diphenyl-substituted BODIPY species for inverted photovoltaic cells and…”
Get full text

Characteristics of organic light emitting diodes with copper iodide as injection layer by Stakhira, P., Cherpak, V., Volynyuk, D., Ivastchyshyn, F., Hotra, Z., Tataryn, V., Luka, G.

“…We have studied 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…”
Get full text

Diphenylethenyl- and methylphenylethenyl-substituted triphenylamines as effective hole transporting and emitting materials by Cekaviciute, M., Simokaitiene, J., Sych, G., Grazulevicius, J.V., Jankauskas, V., Volyniuk, D., Stakhira, P., Cherpak, V., Ivanyuk, K.

“…Diphenylethenyl- and methylphenylethenyl-substituted triphenylamines were prepared by condensation of trimethoxy-substituted triphenylamines with…”
Get full text

3,6-Di(9-carbazolyl)-9-(2-ethylhexyl)carbazole based single-layer blue organic light emitting diodes by Cherpak, V.V., Stakhira, P.Y., Volynyuk, D.Yu, Simokaitiene, J., Tomkeviciene, A., Grazulevicius, J.V., Bucinskas, A., Yashchuk, V.M., Kukhta, A.V., Kukhta, I.N., Kosach, V.V., Hotra, Z.Yu

“…► The blue OLED based on non-doped film of TCz1 was fabricated. ► Electroluminescence spectrum is similar to photoluminescence spectrum. ► Device exhibit high…”
Get full text

Essential electro-optical differences of exciplex type OLEDs based on a starburst carbazole derivative prepared by layer-by-layer and codeposition processes by Chapran, M., Ivaniuk, K., Stakhira, P., Cherpak, V., Hotra, Z., Volyniuk, D., Michaleviciute, A., Tomkeviciene, A., Voznyak, L., Grazulevicius, J.V.

“…•The star-shaped carbazole derivative and Bphen were selected as donor and acceptor.•Bilayered and codeposited exciplex based OLEDs were fabricated.•The…”
Get full text

Blue organic light-emitting diodes based on pyrazoline phenyl derivative by Stakhira, P., Khomyak, S., Cherpak, V., Volyniuk, D., Simokaitiene, J., Tomkeviciene, A., Kukhta, N.A., Grazulevicius, J.V., Kukhta, A.V., Sun, X.W., Demir, H.V., Hotra, Z., Voznyak, L.

“…► The blue OLED based on pyrazoline phenyl derivative was fabricated. ► We conclude that TCz1 layer can be used as the electron transporting layer. ► We find…”
Get full text

2-Phenyl-1,2,3-benzotriazole Ir(III) complexes with additional donor fragment for single-layer PhOLED devices by Tomkute-Luksiene, D., Keruckas, J., Malinauskas, T., Simokaitiene, J., Getautis, V., Grazulevicius, J.V., Volyniuk, D., Cherpak, V., Stakhira, P., Yashchuk, V., Kosach, V., Luka, G., Sidaravicius, J.

“…Phosphorescent bis-cyclometallated iridium (III) complexes based on 2-phenyl-1,2,3-benzotriazole with additional donoric diphenylamine or carbazole moieties…”
Get full text

Nonorganic semiconductor – Conductive polymer intercalate nanohybrids: Fabrication, properties, application by Ivashchyshyn, F., Grygorchak, I., Stakhira, P., Cherpak, V., Micov, M.

“…Impedance spectroscopy studies performed for intercalated multilayer structures of the type of a layered inorganic semiconductor (InSe)/conducting polymer…”
Get full text

Detector-emitter system based on integrated organic vertical light emitting device and near-infrared organic photovoltaic cell by Barylo, G., Cherpak, V., Pakhomov, G., Hotra, Z., Helzhynskyy, I., Hladun, M., Wiosna-Salyga, G., Luszczynska, B., Stakhira, P.

“…We propose a new concept of the vertical exciplex-type organic light emitting structure with multilevel metallization that can serve as…”
Get full text

The properties of heterojunction based on CuI/pentacene/Al by Stakhira, P.Y., Cherpak, V.V.

“…To improve the injection of charge carriers from ITO electrode into the molecular semiconductor in the pentacene-based photovoltaic structures, we propose…”
Get full text

Ambipolar conductivity in organic field-effect transistors based on 1,7-bis(9-ethyl-3-carbazolyl) N,N′-2-ethyl hexyl perylene bisimide under the light illumination by Cherpak, V., Stakhira, P., Volynyuk, D., Politanskiy, L., Kus, N., Reghu, R.R., Grazulevicius, J.V.

“…•The light induced ambipolarity in organic transistors was studied.•Impedance spectroscopy of barrier structure was used to explain the obtained…”
Get full text

Vacuum-deposited poly(o-methoxyaniline) thin films: Structure and electronic properties by Cherpak, V., Stakhira, P., Hotra, Z., Aksimentyeva, O., Tsizh, B., Volynyuk, D., Bordun, I.

“…Thin poly(o-methoxyaniline) (POMA) films have been formed by thermovacuum deposition in the temperature range of 350–450°C and at a pressure of 5×10−5Torr. The…”
Get full text

Electro-Acoustic Effect in Organic Structure Based on Star-Shaped Carbazole Derivatives by Hotra, Z., Volyniuk, D., Cherpak, V., Stakhira, P., Grygorchak, I., Grazulevicius, J. V., Michaleviciute, A., Tomkeviciene, A., Barylo, G., Kus, N., Hladun, M.

“…We have found that the structures based on ITO/tri(9-hexylcarbazol-3-yl)amine/Ca/Al fabricated by means of vacuum deposition generate acoustic oscillations…”
Get full text

Properties of flexible heterojunction based on ITO/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)/pentacene/Al by Stakhira, P., Cherpak, V., Aksimentyeva, O., Hotra, Z., Tsizh, B., Volynyuk, D., Bordun, I.

“…The organic solar cell based on poly(3,4-ethylenedioxythiophene)–poly(styrenesulfonate) (PEDOT:PSS)/pentacene (Pc) was fabricated using a flexible…”
Get full text

Study of Barrier Structures on the Base of Nickel Phthalocyanine Thin Films During the Interaction with the Ammonia Medium by Cherpak, V. V., Stakhira, P. Y., Kuntyy, O. I., Zakutayev, A.

“…Thin films of the α polymorphic modification of a nickel phthalocyanine (NiPc) which possess a high sensitivity to actions of gaseous media are deposited by…”
Get full text

Multi-channel electroluminescence of CdTe/CdS core-shell quantum dots implemented into a QLED device by Pidluzhna, А., Ivaniuk, K., Stakhira, P., Hotra, Z., Chapran, M., Ulanski, J., Tynkevych, O., Khalavka, Y., Baryshnikov, G.V., Minaev, B.F., Ågren, H.

“…CdTe/CdS core-shell quantum dots were synthesized and implemented into a light emitting device resulting in multi-channel electroluminescence with a…”
Get full text

Formation of heterostructure of A3B6 semiconductor compounds by surface laser modification by GOTRA, Z, STAKHIRA, P, TOKAREV, J, PROSZAK, W

Get full text

Thermal and plasma nitridation of GaSe crystal by Balitskii, O.A, Savchyn, V.P, Stakhira, P.J, Berchenko, N.N

“…The possibility of the nitridation of gallium selenide followed by the GaN growth is demonstrated. We used the partial pressures diagram method to study the…”
Get full text

Triphenylamino or 9-phenyl carbazolyl-substituted pyrimidine-5-carbonitriles as bipolar emitters and hosts with triplet harvesting abilities by Tsiko, U., Volyniuk, D., Andruleviciene, V., Leitonas, K., Sych, G., Bezvikonnyi, O., Jasinskas, V., Gulbinas, V., Stakhira, P., Grazulevicius, J.V.

“…To obtain highly efficient organic semiconductors exhibiting fast emission decays, triplet-harvesting abilities and good bipolar charge-transporting properties…”
Get full text