Zobrazeno 1 - 10
of 109
pro vyhledávání: '"Ladislav Fekete"'
Autor:
Tomáš Zikmund, Jiří Bulíř, Michal Novotný, Ladislav Fekete, Sergii Chertopalov, Stefan Andrei Irimiciuc, Mariana Klementová, Jarmila Balogová, Jan Lančok
Publikováno v:
Materials, Vol 16, Iss 4, p 1591 (2023)
We report on the formation of silver nanoparticles by gas aggregation in a reaction chamber at room temperature. The size distribution of nanoparticles deposited on a silicon substrate for various lengths of an aggregation (high-pressure) chamber was
Externí odkaz:
https://doaj.org/article/667b3a11b9a44de79fda771011640262
Autor:
Jan Hrbac, Vit Pavelka, Jeanne Crassous, Jaroslav Zadny, Ladislav Fekete, Jan Pokorny, Petr Vanysek, Jan Storch, Jan Vacek
Publikováno v:
Electrochemistry Communications, Vol 113, Iss , Pp - (2020)
This short paper describes the preparation of thin layers based on carbohelicenes, which are inherently chiral polyaromatics existing in the enantiomeric forms P and M. Specifically, [5]-, [6]- and [7]helicene were subjected to redox cycling between
Externí odkaz:
https://doaj.org/article/86c6bf7d127542fa91a0cbda6031444e
Autor:
Joris More-Chevalier, Stanislav Cichoň, Jiří Bulíř, Morgane Poupon, Pavel Hubík, Ladislav Fekete, Ján Lančok
Publikováno v:
AIP Advances, Vol 9, Iss 1, Pp 015317-015317-7 (2019)
Scandium nitride (ScN) is a rocksalt-structure semiconductor that has attracted attention for its potential applications in thermoelectric energy conversion devices, as a semiconducting component in epitaxial metal/semiconductor superlattices. ScN na
Externí odkaz:
https://doaj.org/article/a70cfcd0c95248819b2f0e4267c8e959
Publikováno v:
Metals, Vol 10, Iss 10, p 1398 (2020)
Using atomic-force microscopy (AFM) and wide-band (0.02–8.5 eV) spectroscopic ellipsometry techniques, we investigated the morphology and optical properties of Cd3As2 films grown by non-reactive RF magnetron sputtering on two types of oriented crys
Externí odkaz:
https://doaj.org/article/4b0417c37bd74301abfe185d1660e0d1
Publikováno v:
Nanomaterials, Vol 10, Iss 8, p 1498 (2020)
The control and prediction of soft systems exhibiting self-organization behavior can be realized by different means but still remains a highlighted task. Novel advanced nanocomposite system has been designed by filling of a stretched porous polyethyl
Externí odkaz:
https://doaj.org/article/603d0b0dceac4a6d9576dd254965259a
Autor:
Suzan Meijs, Matthew McDonald, Søren Sørensen, Kristian Rechendorff, Ladislav Fekete, Ladislav Klimša, Václav Petrák, Nico Rijkhoff, Andrew Taylor, Miloš Nesládek, Cristian P. Pennisi
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 6 (2018)
Robust devices for chronic neural stimulation demand electrode materials which exhibit high charge injection (Qinj) capacity and long-term stability. Boron-doped diamond (BDD) electrodes have shown promise for neural stimulation applications, but the
Externí odkaz:
https://doaj.org/article/5e7bfbe63dd34961bc38f40bd672191b
Autor:
Nickolay Ostrovskii, Ladislav Fekete
Publikováno v:
Polyolefins Journal, Vol 2, Iss 2, Pp 89-97 (2015)
The olefins polymerization process in a slurry reactor is discussed. The reaction rate dynamics was analyzed and the contributions of feed flow, gas-liquid mass transfer, polymerization reaction, and catalyst deactivation were estimated. The propylen
Externí odkaz:
https://doaj.org/article/b3930192dbcf43d0866765ebf7ee4ffd
Autor:
Marie Krečmarová, Daniel Andres-Penares, Ladislav Fekete, Petr Ashcheulov, Alejandro Molina-Sánchez, Rodolfo Canet-Albiach, Ivan Gregora, Vincent Mortet, Juan P. Martínez-Pastor, Juan F. Sánchez-Royo
Publikováno v:
Nanomaterials, Vol 9, Iss 7, p 1047 (2019)
The successful integration of few-layer thick hexagonal boron nitride (hBN) into devices based on two-dimensional materials requires fast and non-destructive techniques to quantify their thickness. Optical contrast methods and Raman spectroscopy have
Externí odkaz:
https://doaj.org/article/c5d24c47e8584cc38d5e753b516b0e88
Autor:
Alexander Kovalenko, Darina Stoyanova, Jan Pospisil, Ivaylo Zhivkov, Ladislav Fekete, Daniela Karashanova, Irena Kratochvílová, Martin Vala, Martin Weiter
Publikováno v:
International Journal of Photoenergy, Vol 2015 (2015)
The deep study of solvent annealed small molecules bulk heterojunction organic solar cells based on DPP(TBFu)2 : PC60BM blend is carried out. To reveal the reason of the solvent annealing advantage over the thermal one, capacitance-voltage measuremen
Externí odkaz:
https://doaj.org/article/949d152b7614478da2176f6b344d548b
Autor:
Alexander Kovalenko, Jana Honová, Martin Vala, Stanislav Luňák, Ladislav Fekete, Petra Horáková, Lenka Dokládalová, Lubomír Kubáč, Martin Weiter
Publikováno v:
International Journal of Photoenergy, Vol 2015 (2015)
An optimized fabrication of bulk-heterojunction solar cells (BHJ SCs) based on previously reported diketopyrrolopyrrole donor, ethyl-hexylated DPP(TBFu)2, as well as two new DPP(TBFu)2 derivatives with ethyl-hexyl acetate and diethyl acetal solubiliz
Externí odkaz:
https://doaj.org/article/12d98aaea47e484aae24dfdc524b2860