About: Semiconductor Nanoparticles in the Channels of Mesoporous Silica and Titania Thin Films.

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About: Semiconductor Nanoparticles in the Channels of Mesoporous Silica and Titania Thin Films. Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A procedure for the preparation of porous silica thin films was developed, which is based on the use of block copolymers as structure directing agents and the application of the dip-coating technique. The prepared films exhibit an uniform thickness and a large roughness factor indicating the highly developed porosity. The addition of Cd2+ ions to the reaction gel for silica films prior to their formation, followed by the calcination of films at 623 K and treatment with H2S or H2Se is the preferred procedure for the creation of CdS or CdSe nanoparticles. The occurrence of the size-quantization effect confirms that the particles are located within the pores and that their size corresponds to the pore width of the host. The porous structure of titania films prepared using a poly(alkylene) block copolymer in an ethanolic medium depends on their thickness because the completeness of the hydrolysis of the titania precursor is decided by its accessibility for air humidity. A procedure for the preparation of porous silica thin films was developed, which is based on the use of block copolymers as structure directing agents and the application of the dip-coating technique. The prepared films exhibit an uniform thickness and a large roughness factor indicating the highly developed porosity. The addition of Cd2+ ions to the reaction gel for silica films prior to their formation, followed by the calcination of films at 623 K and treatment with H2S or H2Se is the preferred procedure for the creation of CdS or CdSe nanoparticles. The occurrence of the size-quantization effect confirms that the particles are located within the pores and that their size corresponds to the pore width of the host. The porous structure of titania films prepared using a poly(alkylene) block copolymer in an ethanolic medium depends on their thickness because the completeness of the hydrolysis of the titania precursor is decided by its accessibility for air humidity. (en)
Title	Semiconductor Nanoparticles in the Channels of Mesoporous Silica and Titania Thin Films. Semiconductor Nanoparticles in the Channels of Mesoporous Silica and Titania Thin Films. (en)
skos:prefLabel	Semiconductor Nanoparticles in the Channels of Mesoporous Silica and Titania Thin Films. Semiconductor Nanoparticles in the Channels of Mesoporous Silica and Titania Thin Films. (en)
skos:notation	RIV/61388955:_____/02:54030054!RIV/2004/AV0/A54004/N
http://linked.open.../vavai/riv/strany	1457;1464
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA4040804), Z(AV0Z4040901)
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Rathouský, Jiří Zukal, Arnošt
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	663254
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/02:54030054
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	semiconductor nanoparticles; mesoporous silica; thin films (en)
http://linked.open.../riv/klicoveSlovo	thin films mesoporous silica semiconductor nanoparticles
http://linked.open...ontrolniKodProRIV	[BFDC60BA2C79]
http://linked.open...v/mistoKonaniAkce	Taormina [IT]
http://linked.open...i/riv/mistoVydani	Amsterdam
http://linked.open...i/riv/nazevZdroje	Impact of Zeolites and Other Porous Materials on the New Technologies at the Beginning of the New Millennium.
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Electrochemical properties of highly organized titanium dioxide
http://linked.open...UplatneniVysledku	2002
http://linked.open...iv/tvurceVysledku	Rathouský, Jiří Zukal, Arnošt Wark, M. Wellman, H.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2002-09-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Objasňování zákonitostí vztahů struktury a vlastností - zejména dynamiky a chemické reaktivity - látek a molekulárních systémů
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Elsevier

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