Piksová, K. - Výsledky hledání - Digitální repozitář

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	SILVER NANOPARTICLES AND THEIR BACTERICIDAL EFFECT Piksová, K. ; Weiserová, Marie ; Jedličková, A. ; Fojtík, A. Rapid development of bio-nanotechnology lead to the new way in the combating of bacteria and to searching specific properties of nanomaterials The study of bactericidal nanomaterials is particularly timely considering the recent increase of new resistant strains of bacteria to the most potent antibiotics The present work studies the bactericidal effect of silver nanoparticles in the range of 10-30 nm on Gram-negative bacteria and Gram-positive bacteria Úplný záznam
	Study of layers of metal nanoparticles on semiconductor wafers for hydrogen detection Muller, M. ; Žďánský, Karel ; Zavadil, Jiří ; Piksová, K. Colloid solutions of metal Pt, Pd and Pt/Pd alloy nanoparticles by reverse micelle technique in isooctane were prepared. Layers of the nanoparticles on InP and GaN substrates using electrophoretic deposition were prepared. Metal nanoparticles in the colloid and in deposits were characterized by SEM. Schottky diodes were fabricated by application of colloidal graphite on nanoparticle layer. An increase in current in hydrogen-nitrogen mixture was measured for hydrogen concentrations between 5 and 1000 ppm. Úplný záznam
	Preparation and characterizatiobn of layers of Au, Pd and Rh nanoparticles deposited on n-InP substrates Kostejn, M. ; Žďánský, Karel ; Piksová, K. ; Zavadil, Jiří Colloids of Au, Pd and Rh nanoparticles (NPs) were prepared in reverse micelles and surface plasmon absorption bands were identified. Layers of metal NPs were deposited on InP substrates by electrophoretic deposition and imaged by SEM. Low-temperature photoluminescence spectrum of InP was found to be enhanced mainly by Au NPs. Sensitivity to hydrogen of Schottky barriers prepared by dropping colloidal graphite onto the surface of InP partly covered with Pd NPs was measured by current change in 100 ppm H2/N2. Úplný záznam
	PD NANOLAYERS FOR HYDROGEN SENSORS Yatskiv, Roman ; Žďánský, Karel ; Grym, Jan ; Piksová, K. We presented study nanoparticle layers created by electrophoretic deposition. A possibility of using Pd nanolayers for the formation of Schottky barriers with a large Schottky barrier height (SBH) value on n-type tin doped InP is proposed together with its potential application in high-sensitive hydrogen sensors. Úplný záznam

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