About: Homogeneously distributed CdS and CdSe nanoparticles in thin films of mesoporous silica     Goto   Sponge   Distinct   Permalink

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Description
  • Byla vyvinuta procedura pro přípravu homogenně distribuovaných nanočástic sulfidu a selenidu kademnatého v tenkých mesoporézních filmech siliky. Je založena na využití alkyl (ethylene oxidového) surfaktantu jako činidla řídícího strukturu a techniky dip-coating pro tvorbu filmů. Připravené filmy jsou charakterizovány nízkou povrchovou drsností a rozvinutou mesoporozitou. Přídavek iontů Cd2+ do reakčního solu před tvorbou filmu, následovaný kalcinací filmu při 623 K a reakcí se sirovodíkem nebo selenovodíkem vede k tvorbě nanodisperzí sulfidu respektive selenidu kademnatého. Výskyt velikostně kvantového efektu potvrzuje lokalizaci částic uvnitř pórů a prokazuje, že velikost částic je konzistentní s šířkou pórů. (cs)
  • A procedure for the preparation of homogeneously distributed cadmium sulfide or cadmium selenide nanoparticles within thin mesoporous silica films was developed. It is based on the use of alkyl (ethylene oxide) surfactant as a structure directing agent and the dip-coating technique for film formation. The films prepared are characterized by low surface roughness and developed mesoporosity. The addition of Cd2+ ions to the reaction sol prior to the formation of films, followed by the calcination of films at 623 K and treatment with hydrogen sulfide or hydrogen selenide led to the creation of cadmium sulfide or cadmium selenide nanodispersions. The occurrence of the size-quantization effect confirms the location of the particles within the pores and proves the particle size to be consistent with the pore width of the host.
  • A procedure for the preparation of homogeneously distributed cadmium sulfide or cadmium selenide nanoparticles within thin mesoporous silica films was developed. It is based on the use of alkyl (ethylene oxide) surfactant as a structure directing agent and the dip-coating technique for film formation. The films prepared are characterized by low surface roughness and developed mesoporosity. The addition of Cd2+ ions to the reaction sol prior to the formation of films, followed by the calcination of films at 623 K and treatment with hydrogen sulfide or hydrogen selenide led to the creation of cadmium sulfide or cadmium selenide nanodispersions. The occurrence of the size-quantization effect confirms the location of the particles within the pores and proves the particle size to be consistent with the pore width of the host. (en)
Title
  • Homogeneously distributed CdS and CdSe nanoparticles in thin films of mesoporous silica
  • Homogeneously distributed CdS and CdSe nanoparticles in thin films of mesoporous silica (en)
  • Homogenně distribuované nanočástice CdS a CdSe v tenkých filmech mesoporézní siliky (cs)
skos:prefLabel
  • Homogeneously distributed CdS and CdSe nanoparticles in thin films of mesoporous silica
  • Homogeneously distributed CdS and CdSe nanoparticles in thin films of mesoporous silica (en)
  • Homogenně distribuované nanočástice CdS a CdSe v tenkých filmech mesoporézní siliky (cs)
skos:notation
  • RIV/61388955:_____/04:00030809!RIV07-AV0-61388955
http://linked.open.../vavai/riv/strany
  • 20;25
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(IAA4040804), Z(AV0Z4040901)
http://linked.open...iv/cisloPeriodika
  • 1-2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 566627
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/04:00030809
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • nanostructures; silicon oxide; surface roughness; optical properties (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV
  • [C64AAD4234D9]
http://linked.open...i/riv/nazevZdroje
  • Thin Solid Films
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 458
http://linked.open...iv/tvurceVysledku
  • Rathouský, Jiří
  • Wark, M.
  • Wellmann, H.
http://linked.open...n/vavai/riv/zamer
issn
  • 0040-6090
number of pages
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