About: Titania aerogel prepared by low temperature supercritical drying

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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	Mesoporous titania aerogel with high surfaces area (1086 m(2) g(-1)) were prepared by two steps: heterogeneous precipitation of aqueous solution containing TiOSO4 and ammonia, followed by continuous supercritical extraction with CO2 after replacement of the water with n-propanol/benzene mixture. The total pore volume of as obtained aerogel is 3.44 cm(-3) g(-1) and the main pore diameter is 20-80 nm. The structure evolution of titania aerogel during heating was studied by DTA and high temperature XRD analyses. At 450 degrees C titania aerogel transforms to polycrystalline anatase. The morphology and microstructure characteristics of both titania aerogel and anatase samples were obtained by SEM, HRTEM, BET and BJH methods. Anatase reveals high photocatalytic activity during the degradation of 4-chlorophenol in aqueous suspension. Mesoporous titania aerogel with high surfaces area (1086 m(2) g(-1)) were prepared by two steps: heterogeneous precipitation of aqueous solution containing TiOSO4 and ammonia, followed by continuous supercritical extraction with CO2 after replacement of the water with n-propanol/benzene mixture. The total pore volume of as obtained aerogel is 3.44 cm(-3) g(-1) and the main pore diameter is 20-80 nm. The structure evolution of titania aerogel during heating was studied by DTA and high temperature XRD analyses. At 450 degrees C titania aerogel transforms to polycrystalline anatase. The morphology and microstructure characteristics of both titania aerogel and anatase samples were obtained by SEM, HRTEM, BET and BJH methods. Anatase reveals high photocatalytic activity during the degradation of 4-chlorophenol in aqueous suspension. (en) TiO2 aerogel připravený nízkou teplotou sušení. (cs)
Title	Titania aerogel prepared by low temperature supercritical drying Titania aerogel prepared by low temperature supercritical drying (en) TiO2 aerogel připravený nízkou teplotou sušení (cs)
skos:prefLabel	Titania aerogel prepared by low temperature supercritical drying Titania aerogel prepared by low temperature supercritical drying (en) TiO2 aerogel připravený nízkou teplotou sušení (cs)
skos:notation	RIV/61388980:_____/06:00040429!RIV07-MSM-61388980
http://linked.open.../vavai/riv/strany	1;6
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0577), Z(AV0Z40320502)
http://linked.open...iv/cisloPeriodika	1-3
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Szatmary, Lorant Šubrt, Jan Bakardjieva, Snejana Štengl, Václav
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	503929
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/06:00040429
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	aerogels; titanium oxide; supercritical drying (en)
http://linked.open.../riv/klicoveSlovo	aerogels titanium oxide supercritical drying
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[7586015B429D]
http://linked.open...i/riv/nazevZdroje	Microporous and Mesoporous Materials
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Research centre for nanostructures engineering
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	91
http://linked.open...iv/tvurceVysledku	Szatmary, Lorant Šubrt, Jan Bakardjieva, Snejana Štengl, Václav
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	1387-1811
number of pages	6 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Titania aerogel prepared by low temperature supercritical drying Titania aerogel prepared by low temperature supercritical drying

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