About: Synthesis and Characterization of Nanostructured Sulfated Zirconias

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Thermally stable sulfated zirconia catalysts were synthesized via a templating procedure and compared with standard zirconia materials prepared by precipitation without templates. Two preparation routes with various amphiphilic systems were employed as structure directing agents: synthesis with hexadecyltrimethyl ammonium bromide, and combined use of surfactant Brij-(A (R)) and triblock-copolymer Pluronic P123(A (R)). The formation of materials was characterized by use of TEM, SEM, X-ray diffraction as well as nitrogen adsorption and mercury intrusion techniques. Different self-assembling properties of the structure directing compounds led to sulfated zirconia materials exhibiting improved morphological and structural properties in terms of thermal stability, specific surface areas, pore diameters and porosity factors. Notably, hierarchical pore structures were obtained for the synthesis route via a combined use of Brij-56(A (R)) and P123(A (R)). Thermally stable sulfated zirconia catalysts were synthesized via a templating procedure and compared with standard zirconia materials prepared by precipitation without templates. Two preparation routes with various amphiphilic systems were employed as structure directing agents: synthesis with hexadecyltrimethyl ammonium bromide, and combined use of surfactant Brij-(A (R)) and triblock-copolymer Pluronic P123(A (R)). The formation of materials was characterized by use of TEM, SEM, X-ray diffraction as well as nitrogen adsorption and mercury intrusion techniques. Different self-assembling properties of the structure directing compounds led to sulfated zirconia materials exhibiting improved morphological and structural properties in terms of thermal stability, specific surface areas, pore diameters and porosity factors. Notably, hierarchical pore structures were obtained for the synthesis route via a combined use of Brij-56(A (R)) and P123(A (R)). (en)
Title	Synthesis and Characterization of Nanostructured Sulfated Zirconias Synthesis and Characterization of Nanostructured Sulfated Zirconias (en)
skos:prefLabel	Synthesis and Characterization of Nanostructured Sulfated Zirconias Synthesis and Characterization of Nanostructured Sulfated Zirconias (en)
skos:notation	RIV/67985858:_____/10:00338944!RIV10-AV0-67985858
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Šolcová, Olga
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 chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	291465
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/10:00338944
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	sulfated zirconia; template assisted synthesis; porous materials (en)
http://linked.open.../riv/klicoveSlovo	sulfated zirconia template assisted synthesis porous materials
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[0CA96DDD234B]
http://linked.open...i/riv/nazevZdroje	Journal of Sol-Gel Science and Technology
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	53
http://linked.open...iv/tvurceVysledku	Šolcová, Olga Breitkopf, C. Lutecki, M. Werner, S.
http://linked.open...ain/vavai/riv/wos	000273592700002
http://linked.open...n/vavai/riv/zamer	Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection
issn	0928-0707
number of pages	8 (xsd:int)

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