Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Pavol Hronec"'
Autor:
Dusan Pudis, Daniel Jandura, Peter Gaso, Lubos Suslik, Pavol Hronec, Ivan Martincek, Jaroslav Kovac, Sofia Berezina
Publikováno v:
Communications, Vol 16, Iss 1, Pp 15-20 (2014)
Implementation of planar surface photonic crystal (PhC) structures leads to improvement of optical properties of optoelectronic devices. Application of such structures can be attractive for overall and local enhancement of light from patterned areas
Externí odkaz:
https://doaj.org/article/9f7eb54e464b4a808209d6cfaa7967b0
Publikováno v:
Optik. 143:35-41
There are several promising methods for photonic crystal (PhC) patterning of LED surfaces for improving the LED efficiency, i.e. the light out coupling. 2D patterns with different periods and various symmetries were fabricated using interference lith
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a25033e401779d0d73cd510f7c58c05f
https://doi.org/10.1016/j.ijleo.2017.06.045
https://doi.org/10.1016/j.ijleo.2017.06.045
Autor:
Jaroslava Skriniarova, Pavol Hronec, Robert Andok, Jozef Novák, J. Chlpík, Agáta Laurenčíková, Jaroslav Kováč
Publikováno v:
Optik. 234:166572
In this paper we focus on investigation of GaP volume fraction in GaP nanowires (NWs) prepared on GaP substrates by MOVPE using VLS mode. For this purpose, spectroscopic ellipsometry (SE) and scanning electron microscopy (SEM) image processing method
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd25bf8f13273d95617e6c68c697a14c
https://doi.org/10.1016/j.ijleo.2021.166572
https://doi.org/10.1016/j.ijleo.2021.166572
Publikováno v:
Vacuum. 110:102-105
In the present study we discuss how excitation and Raman scattered wave interference enhances the intensity of the dominant Raman band of silicon (520.7 cm –1 ) measured in backscattering configuration. We applied the formalism of the transfer matr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c2fc2be988811b4cb3dd2163d8c7614
https://doi.org/10.1016/j.vacuum.2014.09.004
https://doi.org/10.1016/j.vacuum.2014.09.004
Publikováno v:
Journal of Electrical Engineering. 65:309-312
The paper deals with optical characterization of the Al0.295Ga0.705As/GaAs multi-quantum well light emitting diode (LED) structure with photonic crystal (2D PhC) patterned on the top of the structure using Electron Beam Direct Write Lithography (EBDW
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0ba4d330d9464cb0032d646916b0205
https://doi.org/10.2478/jee-2014-0050
https://doi.org/10.2478/jee-2014-0050
Autor:
Jana Jokrllová, Alžbeta Takáčová, Pavol Hronec, Jozef Ryba, Tomáš Mackuľak, Gabriel Čík, Miroslava Smolinská
Publikováno v:
Open Chemistry, Vol 12, Iss 11, Pp 1133-1143 (2014)
In this work for disposal of the biologically hard decomposed pollutant Benzo[a]Pyrene (BaP) photooxidation Chlorella kessleri was used. The simulation model system under the different experimental conditions (varying biomass and light intensity) was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d300d623e096b53fa3a281e2962cbe91
https://doi.org/10.2478/s11532-014-0567-6
https://doi.org/10.2478/s11532-014-0567-6
Autor:
Peter Baláž, Maria Jesús Sayagués, Matej Baláž, Anna Zorkovská, Pavol Hronec, Jaroslav Kováč, Erika Dutková, Gabriela Mojžišová, Ján Mojžiš
Publikováno v:
Materials Research Bulletin. 49:302-309
CdSe@ZnS nanocomposites have been prepared by a two-step solid state mechanochemical synthesis. CdSe prepared from Cd and Se elements in the first step was mixed with zinc acetate and sodium sulphide in the second step of milling to prepare a CdSe@Zn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8169aa893ca077b59ced30ea94d3c20f
https://doi.org/10.1016/j.materresbull.2013.08.070
https://doi.org/10.1016/j.materresbull.2013.08.070
Autor:
Jaroslav Kováč, Martin Hyll, Dusan Pudis, Peter Gaso, Lubos Suslik, Pavol Hronec, Jana Durisova, Matej Goraus
Publikováno v:
2016 Photonics North (PN).
It was confirmed that photonic crystals (PhC) have the considerable effect on enhancement of extraction efficiency of light emitting diodes (LED) by minimizing the total internal reflection of the light escaping the LED chip. The enhancement of the e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad149903418380b00c6176e66dc37ed2
https://doi.org/10.1109/pn.2016.7537954
https://doi.org/10.1109/pn.2016.7537954
Autor:
Jaroslava Skriniarova, Jaroslav Kováč, A. Bencurova, Š. Haščík, Pavol Nemec, Anton Kuzma, Pavol Hronec
Publikováno v:
SPIE Proceedings.
In this paper we focus on the application of the one-dimensional photonic crystal (1D PhC) structures on the top of Al 0.295 Ga 0.705 As/GaAs multi-quantum well light emitting diode (MQW LED). 1D PhC structures with periods of 600 nm, 700 nm, 800 nm,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd137c8f23ec7b7a431dc881c1fb5d70
https://doi.org/10.1117/12.2188127
https://doi.org/10.1117/12.2188127
Autor:
Peter Baláž, Matej Baláž, Erika Dutková, Anna Zorkovská, Jaroslav Kováč, Pavol Hronec, Mária Čaplovičová, Ján Mojžiš, Gabriela Mojžišová, Alexander Eliyas, Nina G. Kostova
Publikováno v:
Materials scienceengineering. C, Materials for biological applications. 58
CdS/ZnS nanocomposites have been prepared by a two-step solid-state mechanochemical synthesis. CdS has been prepared from cadmium acetate and sodium sulfide precursors in the first step. The obtained cubic CdS (hawleyite, JCPDS 00-010-0454) was then
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3df46f9ecbf8264f1777f00eecbcf8b
https://pubmed.ncbi.nlm.nih.gov/26478399
https://pubmed.ncbi.nlm.nih.gov/26478399