Národní úložiště šedé literatury Nalezeno 3 záznamů.  Hledání trvalo 0.01 vteřin. 
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.
Microscopy of nanoparticles and films with nanoparticles
Kacerovský, Pavel ; Žďánský, Karel ; Procházková, Olga ; Vaniš, Jan ; Grym, Jan ; Vasiliev, A. ; Pašajev, E. M.
To study the electrophoreticaly deposited nanolayers of reverse micelles with Pd nano-particles on n-type InP substrates a wide range of current microscopic methods has been used. What concerns analytical methods the X-ray diffraction and mass spectrometry SIMS were used. The most relevant results about Pd nanoparticles in the layer were obtained by using HRTEM microscopy and SIMS spectrometry. In nanolayers crystallographic arrangement of Pd nanoparticles has not been found.
Films of Metal Nanoparticles Deposited on Semiconductors by Electrophoresis: Technology and Characterization
Žďánský, Karel ; Zavadil, Jiří ; Kacerovský, Pavel ; Kostka, František ; Lorinčík, Jan ; Černohorský, O. ; Fojtík, A. ; Müller, M. ; Kostejn, M.
Layers of nanoparticles in micelle enclosures were deposited on InP substrates by electrophoresis from isooctane colloid solutions containing Pd or Ag nanoparticles. The layers were investigated by SIMS, low-temperature photoluminescence spectroscopy and topography, absorption spectroscopy, Raman spectroscopy and sensitivity to hydrogen. Photoluminescence of InP was enhanced by the layers of Pd or Ag nanoparticles. Schottky barriers made on the n-type InP with layers containing Pd nanoparticles showed significant sensitivity to hydrogen in contrast to those containing Ag nanoparticles.

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