Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Koppány L. Juhász"'
Autor:
Gyula Halasi, Mária Szabó, András Sápi, János Kiss, Koppány L. Juhász, Ákos Kukovecz, Zoltán Kónya
Publikováno v:
Journal of Nanoscience and Nanotechnology. 19:478-483
Pt nanoparticles with controlled size of 1.5 and 6.5 nm were anchored onto the surface of WO 3 nanowires (WO 3 NW) as well as on MCF-17 silica. In the case of WO 3 NW and MCF-17 supported nanoparticles, 1.5 nm Pt nanoparticles were more active in eth
Autor:
Geza Toth, Krisztian Kordas, Koppány L. Juhász, Gabriela S. Lorite, Ákos Kukovecz, Topias Järvinen, Anne-Riikka Rautio, Zoltán Kónya
Publikováno v:
Sensors and Actuators B: Chemical. 252:983-990
A design, development and testing process for a cyber-physical system capable of versatile gas sensor measurement is described. Two approaches for the system are proposed; a stationary system for calibration and testing in laboratory environments and
Autor:
Dorina Gabriella Dobó, Juan Gómez-Pérez, Ákos Kukovecz, Zoltán Kónya, Koppány L. Juhász, Henrik Haspel, András Sápi
Publikováno v:
Catalysis Today. 284:37-43
The visible light photoelectrical properties of a p-type mesoporous nickel oxide (MNO) support was investigated upon the decoration of size controlled, 1.6 nm, 6.4 nm and 7.9 nm Pt nanoparticles. The near room temperature photoelectrical response of
Autor:
Gábor Galbács, Dániel Sebők, Erika Varga, Ákos Szamosvölgyi, Zoltán Kónya, András Sápi, Ákos Kukovecz, Ildikó Kálomista, Gyula Halasi, Koppány L. Juhász, Péter Pusztai, Dorina Gabriella Dobó
Publikováno v:
The Journal of Physical Chemistry C. 121:5130-5136
6.6 nm Pt nanoparticles with narrow size distribution were anchored on mostly identical, amorphous silica supports (SBA-15, MCF-17, silica foam) and were tested in ethanol decomposition reactions at
Autor:
Gábor Galbács, Ildikó Kálomista, Ákos Szamosvölgyi, Albert Kéri, Dorina Gabriella Dobó, András Sápi, Zoltán Kónya, Koppány L. Juhász, Ákos Kukovecz
Publikováno v:
Journal of Analytical Atomic Spectrometry. 32:996-1003
In this study, the performance of five analytical techniques applicable to the determination of the load concentration of ultra small nanoparticles in a Pt/SiO2 nanocomposite was critically evaluated. Four of the techniques (SEM-EDS, TEM imaging, XPS
Publikováno v:
Structural Chemistry. 28:501-509
Silica-supported Pd catalysts were synthesized in the presence of the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate. Two samples with extremely low Pd loadings, 0.35Pd and 0.08Pd, with Pd contents 0.35 and 0.08%, respectively, were sub
Autor:
Krisztian Kordas, Johan Wärnå, Koppány L. Juhász, Jyri-Pekka Mikkola, Tung Ngoc Pham, Zoltán Kónya, Ajaikumar Samikannu, Anne Riikka Rautio
Publikováno v:
Topics in Catalysis. 59:1165-1177
In this work the activity of ruthenium decorated carbon foam (Ru/CF) catalyst was studied in three phase hydrogenation reaction of d-xylose to d-xylitol. The developed catalyst was characterized by ...
Autor:
Krisztian Kordas, Alexey Popov, Rashad Hajimammadov, Mika Huuhtanen, Alexander Bykov, Koppány L. Juhász, Melinda Mohl, Gabriela S. Lorite, Ákos Kukovecz
Publikováno v:
Hajimammadov, R, Bykov, A, Popov, A, Juhasz, K L, Lorite, G S, Mohl, M, Kukovecz, A, Huuhtanen, M & Kordas, K 2018, ' Random networks of core-shell-like Cu-Cu 2 O/CuO nanowires as surface plasmon resonance-enhanced sensors ', Scientific Reports, vol. 8, no. 1, 4708 . https://doi.org/10.1038/s41598-018-23119-6
Scientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
Scientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
The rapid oxide formation on pristine unprotected copper surfaces limits the direct application of Cu nanomaterials in electronics and sensor assemblies with physical contacts. However, it is not clear whether the growing cuprous (Cu2O) and cupric ox
Autor:
Mária, Szabó, Gyula, Halasi, András, Sápi, Koppány L, Juhász, János, Kiss, Ákos, Kukovecz, Zoltán, Kónya
Publikováno v:
Journal of nanoscience and nanotechnology. 19(1)
Pt nanoparticles with controlled size of 1.5 and 6.5 nm were anchored onto the surface of WO₃ nanowires (WO₃NW) as well as on MCF-17 silica. In the case of WO₃NW and MCF-17 supported nanoparticles, 1.5 nm Pt nanoparticles were more active in et
Autor:
Gábor London, Koppány L. Juhász, András Sápi, Tamás Gazdag, Attila Kunfi, Ádám Baróthi, Péter Németh, Ákos Kukovecz, Kornél Szőori, Zoltán Kónya
Publikováno v:
Journal of nanoscience and nanotechnology. 19(1)
The effect of catalyst restructuring on the polydopamine-supported Pd catalyzed transfer hydrogenation of ethyl 4-nitrobenzoate and the catalytic hydrogenation of (E)-2-methyl-2-butenoic acid is reported. Transmission electron microscopy investigatio