Search Results - "Kozák, Ondřej"

Photoluminescent Carbon Nanostructures by Kozák, Ondřej, Sudolská, Mária, Pramanik, Goutam, Cígler, Petr, Otyepka, Michal, Zbořil, Radek

“…Photoluminescent nanosized allotropes of carbon have attracted considerable interest because of their diverse optical properties depending on their crystal…”
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Antibacterial and antifungal activities of silver, copper and zinc montmorillonites by Malachová, Kateřina, Praus, Petr, Rybková, Zuzana, Kozák, Ondřej

“…The antibacterial and antifungal activity of montmorillonite, Ag-MMT, Cu-MMT and Zn-MMT were investigated. The antibacterial effects on Escherichia coli…”
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Surfactant-Derived Amphiphilic Carbon Dots with Tunable Photoluminescence by Kozák, Ondřej, Datta, Kasibhatta Kumara Ramanatha, Greplová, Monika, Ranc, Václav, Kašlík, Josef, Zbořil, Radek

“…We present a new class of fluorescent carbon dots (CDs) prepared hydrothermally from cationic surfactant cetylpyridinium chloride (CPC). Because of the high…”
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Partial Discharge Analysis and Simulation Using the Consecutive Pulses Correlation Method by Kozák, Ondřej, Pihera, Josef

“…The behaviour of partial discharge as consequences of an alternating current (AC) is already well defined. AC partial discharges have completely different…”
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CdS nanoparticles deposited on montmorillonite: Preparation, characterization and application for photoreduction of carbon dioxide by Praus, Petr, Kozák, Ondřej, Kočí, Kamila, Panáček, Aleš, Dvorský, Richard

“…TEM micrographs of CdS nanoparticles deposited on montmorillonite. [Display omitted] ► CdS nanoparticles were precipitated by the reaction of cadmium acetate…”
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Preparation and characterization of ZnS nanoparticles deposited on montmorillonite by Kozák, Ondřej, Praus, Petr, Kočí, Kamila, Klementová, Mariana

“…ZnS nanoparticles (3–5 nm) were deposited on montmorillonite. The resulting ZnS–MMT nanocomposite exhibited the strong photoluminescence and high…”
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ZnS/MMT nanocomposites: The effect of ZnS loading in MMT on the photocatalytic reduction of carbon dioxide by Kočí, Kamila, Matějová, Lenka, Kozák, Ondřej, Čapek, Libor, Valeš, Václav, Reli, Martin, Praus, Petr, Šafářová, Klára, Kotarba, Andrzej, Obalová, Lucie

“…•ZnS/MMT nanocomposites with 2–4.2wt.% of ZnS were examined in CO2 photoreduction.•Effect of ZnS loading in MMT on the degree of its aggregation was…”
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Structural, magnetic and luminescent properties of lanthanide complexes with N-salicylideneglycine by Vanco, Jan, Travnícek, Zdenek, Kozak, Ondrej, Boca, Roman

“…A series of anionic heavy lanthanide complexes, involving the N-salicylideneglycinato(2-) Schiff base ligand (salgly) and having the general formula…”
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Influence of reactor geometry on the yield of CO₂ photocatalytic reduction by Kočí, Kamila, Reli, Martin, Kozák, Ondřej, Lacný, Zdeněk, Plachá, Daniela, Praus, Petr, Obalová, Lucie

“…The effect of reactor geometry on the photocatalytic reduction of CO₂ employing ZnS-MMT (ZnS nanoparticles deposited on MMT) suspension was studied in two…”
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ADSORPTION OF ZINC AND COPPER IONS ON NATURAL AND ETHYLENEDIAMINE MODIFIED MONTMORILLONITE by Kozak, O, Praus, P, Machovic, V, Klika, Z

“…The adsorption of the zinc and copper ions on montmorillonite (MMT) was investigated. In all the experiments performed at pH 6.4 to 4.8, the…”
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Photocatalytic decomposition of phenol by nanocomposite of ZnS nanoparticles and montmorillonite by Praus, Petr, Matys, Jakub, Kozák, Ondřej

“…The nanocomposite of ZnS nanoparticles stabilized by cetyltrimethylammonium ions (ZnS-CTA) and montmorillonite (ZnS-CTA-MMT) was prepared and used as a…”
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Pulse sequence analysis of corona discharge at DC voltage by Pihera, Josef, Trnka, Pavel, Kozak, Ondrej, Hornak, Jaroslav

“…The high voltage diagnostics must follow the actual state of the industry devices and the problems related to diagnostics methods. One of the diagnostic…”
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Influence of reaction medium on co2 photocatalytic reduction yields over zns-mmt by Reli, Martin, Sihor, Marcel, Kocí, Kamila, Praus, Petr, Kozák, Ondrej, Obalová, Lucie

“…The reduction of CO2 by photocatalysts is one of the most promising methods since CO2 can be reduced to useful compounds by irradiating it with UV light at…”
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Influence of reactor geometry on the yield of CO 2 photocatalytic reduction by Kočí, Kamila, Reli, Martin, Kozák, Ondřej, Lacný, Zdeněk, Plachá, Daniela, Praus, Petr, Obalová, Lucie

“…The effect of reactor geometry on the photocatalytic reduction of CO 2 employing ZnS-MMT (ZnS nanoparticles deposited on MMT) suspension was studied in two…”
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Influence of Reaction Medium on CO2 Photocatalytic Reduction Yields Over Zns-MMT / Vliv Reakčního Prostření Na Výtěžky Fotokatalytické Redukce CO2 V Přítomnosti Zns-MMT by Reli Martin, Šihor Marcel, Kočí Kamila, Praus Petr, Kozák Ondřej, Obalová Lucie

“…Redukce CO2 pomocí fotokatalyzátorů je jedna z nejslibnějších metod, jelikož CO2 může být redukován na užitečné sloučeniny ozařováním UV zářením při pokojové…”
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ZnS/MMT nanocomposites: The effect of ZnS loading in MMT on the photocatalytic reduction of carbon dioxide by KOCI, Kamila, MATEJOVA, Lenka, KOZAK, Ondřej, CAPEK, Libor, VALES, Václav, RELI, Martin, PRAUS, Petr, SAFAROVA, Klára, KOTARBA, Andrzej, OBALOVA, Lucie

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Green and simple route toward boron doped carbon dots with significantly enhanced non-linear optical properties by Bourlinos, Athanasios B., Trivizas, Georgios, Karakassides, Michael A., Baikousi, Maria, Kouloumpis, Antonios, Gournis, Dimitrios, Bakandritsos, Aristides, Hola, Katerina, Kozak, Ondrej, Zboril, Radek, Papagiannouli, Irene, Aloukos, Panagiotis, Couris, Stelios

“…Microwave heating of an aqueous solution of citric acid, boric acid and urea affords boron-doped carbon dots (C-dots) with ultrafine size (2–6nm) and…”
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Photoluminescence effects of graphitic core size and surface functional groups in carbon dots: COO− induced red-shift emission by Hola, Katerina, Bourlinos, Athanasios B., Kozak, Ondrej, Berka, Karel, Siskova, Karolina M., Havrdova, Marketa, Tucek, Jiri, Safarova, Klara, Otyepka, Michal, Giannelis, Emmanuel P., Zboril, Radek

“…We present a simple molecular approach to control the lipophilic/hydrophilic nature of photoluminescent carbon dots (CDs) based on pyrolysis of alkyl gallate…”
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ZnS/MMT nanocomposites: The effect of ZnS loading in MMT on the photocatalytic reduction of carbon dioxide by Koci, Kamila, Matejova, Lenka, Kozak, Ondrej, Capek, Libor, Vales, Vaclav, Reli, Martin, Praus, Petr, Safarova, Klara, Kotarba, Andrzej, Obalova, Lucie

“…Different weight loadings (2-4.2 wt.%) of ZnS nanoparticles stabilized by cetyltrimethylammonium bromide (CTAB) were deposited on montmorillonite (MMT) in…”
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Photoluminescence effects of graphitic core size and surface functional groups in carbon dots: COO super(-) induced red-shift emission by Hola, Katerina, Bourlinos, Athanasios B, Kozak, Ondrej, Berka, Karel, Siskova, Karolina M, Havrdova, Marketa, Tucek, Jiri, Safarova, Klara, Otyepka, Michal, Giannelis, Emmanuel P, Zboril, Radek

“…We present a simple molecular approach to control the lipophilic/hydrophilic nature of photoluminescent carbon dots (CDs) based on pyrolysis of alkyl gallate…”
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