Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Vlastimil Rehacek"'
Autor:
Johann Zehetner, Ivan Hotovy, Vlastimil Rehacek, Ivan Kostic, Miroslav Mikolasek, Dana Seyringer, Fadi Dohnal
Publikováno v:
Micromachines, Vol 15, Iss 9, p 1161 (2024)
Semiconducting metal oxides are widely used for solar cells, photo-catalysis, bio-active materials and gas sensors. Besides the material properties of the semiconductor being used, the specific surface topology of the sensors determines device perfor
Externí odkaz:
https://doaj.org/article/19d3c2a1508e4f118c6d7d0926e686a6
Autor:
Miroslav Mikolasek, Peter Ondrejka, Filip Chymo, Patrik Novak, Ladislav Harmatha, Vlastimil Rehacek, Ivan Hotovy
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 16, Iss 3, Pp 367-373 (2018)
Potentiostatic electrodeposition conducted at various deposition voltages from lactate-stabilized copper sulfate electrolyte was used for preparation of Cu2O layers for Photoelectrochemical (PEC) production of hydrogen. A novel approach based on an a
Externí odkaz:
https://doaj.org/article/eb191ffe5d0d471f8c1463ce50242241
Autor:
Miroslav Mikolášek, Ivan Hotovy, Vlastimil Rehacek, Peter Ondrejka, Ivan Kostic, Lothar Spiess, Martin Kemény
Publikováno v:
Journal of Electrical Engineering. 72:61-65
We present results on very thin NiO films which are able to detect 3 ppm of acetone, toluene and n-butyl acetate in synthetic air and to operate at 300°C. NiO films with 25 and 50 nm thicknesses were prepared by dc reactive magnetron sputtering on a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ee7cf1940d110a9fe37af42a6acdba2
https://doi.org/10.2478/jee-2021-0009
https://doi.org/10.2478/jee-2021-0009
Autor:
Pavol Michniak, R. Redhammer, Marián Marton, Miroslav Behúl, Vlastimil Rehacek, Andrea Vojs Stanova, Marian Vojs
Publikováno v:
Vacuum. 167:182-188
The optimization of electrode properties is an inseparable part of the analytical process which can highly improve the quality of obtained results in electrochemical sensing methods. This paper investigates the role of doping level, morphology and st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4d5109dc70b3eb20e4d493cdee18d09
https://doi.org/10.1016/j.vacuum.2019.06.012
https://doi.org/10.1016/j.vacuum.2019.06.012
Autor:
Marián Marton, Marian Vojs, Pavol Michniak, Miroslav Behúl, Vlastimil Rehacek, Michal Pifko, Štěpán Stehlík, Alexander Kromka
Publikováno v:
Diamond and Related Materials. 126:109111
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd6e1485336b448d59f60b2bacec95d0
https://doi.org/10.1016/j.diamond.2022.109111
https://doi.org/10.1016/j.diamond.2022.109111
Autor:
Vlastimil Rehacek, Filip Chymo, Ivan Hotovy, Ivan Novotny, Juraj Breza, Patrik Novák, Peter Ondrejka, Miroslav Mikolášek, Milan Pavúk, Andrej Vincze
Publikováno v:
Applied Surface Science. 461:196-201
A novel approach based on the application of light irradiation during the electrodeposition is proposed to prepare Cu2O structures for photoelectrochemical water splitting. Potentiostatic deposition of Cu2O layers under irradiation and in the dark wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4912bcc1113e6cd218b55be69930b6c
https://doi.org/10.1016/j.apsusc.2018.05.225
https://doi.org/10.1016/j.apsusc.2018.05.225
Autor:
Juraj Racko, Filip Chymo, M. Tapajna, Vlastimil Rehacek, Karol Fröhlich, Miroslav Mikolášek, Kristína Hušeková, Ladislav Harmatha
Publikováno v:
Applied Surface Science. 461:48-53
This paper presents an electrical and photoelectrochemical comparison of MIS photoanodes with a metal organic chemical vapor deposited RuO2 layer and evaporated Ni layer to provide a deeper insight into the interface properties of such structures. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::457a0e88b3d97436dd6cb100a0e6bef9
https://doi.org/10.1016/j.apsusc.2018.04.234
https://doi.org/10.1016/j.apsusc.2018.04.234
Autor:
M. Hulman, Vlastimil Rehacek, M. Predanocy, Henry Romanus, Lothar Spiess, Ivan Hotovy, M. Sojková, Ivan Kostic, Miroslav Mikolášek
Publikováno v:
Applied Surface Science. 461:133-138
Our activities were focused on the preparation of WS2 films on sapphire substrates by sulfurization of different thick sputtered W films. The influence of very thin W films in the range from 4 nm to 12 nm on the structural, morphological and optical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10656f21cdc904d88ce053269780bf1c
https://doi.org/10.1016/j.apsusc.2018.05.209
https://doi.org/10.1016/j.apsusc.2018.05.209
Publikováno v:
APPLIED PHYSICS OF CONDENSED MATTER (APCOM 2021).
Metal-oxide nanostructures with precisely controlled geometries can play an important role in the technological improvement of sensors for gas detection. In this article we deal with the preparation of sensoric structures of sputtered TiO2 film the a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f7a59c4e3dbe82a6e1bae4e2efb254f
https://doi.org/10.1063/5.0067745
https://doi.org/10.1063/5.0067745
Publikováno v:
2020 13th International Conference on Advanced Semiconductor Devices And Microsystems (ASDAM).
This paper is dedicated to the characterization of MoS 2 supercapacitor structures by means of electrochemical methods. The pseudocapacitive behaviour of MoS 2 structure is suggested as a dominant charge mechanism. The strong impact of the scan rate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9ce60115f75e22c274a4e319b98c562
https://doi.org/10.1109/asdam50306.2020.9393838
https://doi.org/10.1109/asdam50306.2020.9393838