About: Anatase nanoparticles from hydrated titania gels

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The growth of anatase particles during annealing up to 1000 degrees C of the dried precipitates prepared by neutralization of TiOSO(4) aqueous solutions with aqueous ammonia until desired pH value at temperatures 0-80 degrees C was studied. The crystallinity of the precipitates depends significantly on the precipitation temperature; the precipitates prepared at low temperatures were almost amorphous whereas the higher precipitation temperature leads to more crystalline samples. Heating the sample results in crystallization of the amorphous part and above similar to 400-500 degrees C the sample is fully crystalline. Contemporary with the crystallization of the amorphous part significant decrease of the crystal cell volume was observed in the same temperature region. Above this temperature monotonous changes in crystal lattice constants (growth of the a and decrease of the c parameter) resulting in decrease of the crystal cell size was observed. The growth of anatase particles during annealing up to 1000 degrees C of the dried precipitates prepared by neutralization of TiOSO(4) aqueous solutions with aqueous ammonia until desired pH value at temperatures 0-80 degrees C was studied. The crystallinity of the precipitates depends significantly on the precipitation temperature; the precipitates prepared at low temperatures were almost amorphous whereas the higher precipitation temperature leads to more crystalline samples. Heating the sample results in crystallization of the amorphous part and above similar to 400-500 degrees C the sample is fully crystalline. Contemporary with the crystallization of the amorphous part significant decrease of the crystal cell volume was observed in the same temperature region. Above this temperature monotonous changes in crystal lattice constants (growth of the a and decrease of the c parameter) resulting in decrease of the crystal cell size was observed. (en)
Title	Anatase nanoparticles from hydrated titania gels Anatase nanoparticles from hydrated titania gels (en)
skos:prefLabel	Anatase nanoparticles from hydrated titania gels Anatase nanoparticles from hydrated titania gels (en)
skos:notation	RIV/61388980:_____/11:00364458!RIV12-AV0-61388980
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0577), Z(AV0Z40320502)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Pulišová, Petra Murafa, Nataliya Boháček, Jaroslav Szatmary, Lorant Šubrt, Jan Bezdička, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	186220
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/11:00364458
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	anatase particles (en)
http://linked.open.../riv/klicoveSlovo	anatase particles
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[B67A74B564DD]
http://linked.open...i/riv/nazevZdroje	Catalysis Today
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Research centre for nanostructures engineering
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	161
http://linked.open...iv/tvurceVysledku	Bezdička, Petr Boháček, Jaroslav Murafa, Nataliya Pulišová, Petra Szatmáry, Lórant Šubrt, Jan
http://linked.open...ain/vavai/riv/wos	000287730900016
http://linked.open...n/vavai/riv/zamer	Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí
issn	0920-5861
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.cattod.2010.12.032

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