About: Mesoporous hybrid inorganic-organic phosphosilicates by non-hydrolytic sol-gel reactions

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About: Mesoporous hybrid inorganic-organic phosphosilicates by non-hydrolytic sol-gel reactions Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Non-hydrolytic sol-gel reactions based on condensation of two functional groups are studied as an alternative to aqueous techniques for the synthesis of multimetallic oxides and inorganic-organic hybrid materials in the form of xerogels, nanoparticles, and thin films. We developed a non-hydrolytic sol-gel route based on acetic acid ester elimination providing parent phosphosilicate and its hybrid inorganic-organic derivatives. The polycondensation reactions between Si(OAc)4 and OP(OSiMe3)3 provides microporous phosphosilicate xerogels with surface areas up to 570 m2 g-1. Substitution reactions of residual acetoxy and trimethylsiloxy groups on the surface with a variety of reagents, such as SiCl4, RSiCl3, POCl3, AlX3, ROH, and Me3SiOSiMe3, show versatility of the synthesized phosphosilicate xerogels in tuning their properties, such as Bronsted and Lewis acidity. Non-hydrolytic sol-gel reactions based on condensation of two functional groups are studied as an alternative to aqueous techniques for the synthesis of multimetallic oxides and inorganic-organic hybrid materials in the form of xerogels, nanoparticles, and thin films. We developed a non-hydrolytic sol-gel route based on acetic acid ester elimination providing parent phosphosilicate and its hybrid inorganic-organic derivatives. The polycondensation reactions between Si(OAc)4 and OP(OSiMe3)3 provides microporous phosphosilicate xerogels with surface areas up to 570 m2 g-1. Substitution reactions of residual acetoxy and trimethylsiloxy groups on the surface with a variety of reagents, such as SiCl4, RSiCl3, POCl3, AlX3, ROH, and Me3SiOSiMe3, show versatility of the synthesized phosphosilicate xerogels in tuning their properties, such as Bronsted and Lewis acidity. (en)
Title	Mesoporous hybrid inorganic-organic phosphosilicates by non-hydrolytic sol-gel reactions Mesoporous hybrid inorganic-organic phosphosilicates by non-hydrolytic sol-gel reactions (en)
skos:prefLabel	Mesoporous hybrid inorganic-organic phosphosilicates by non-hydrolytic sol-gel reactions Mesoporous hybrid inorganic-organic phosphosilicates by non-hydrolytic sol-gel reactions (en)
skos:notation	RIV/00216224:14740/14:00077575!RIV15-MSM-14740___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), P(EE2.3.30.0037), P(LH11028), S
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Pinkas, Jiří Moravec, Zdeněk Stýskalík, Aleš Škoda, David
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	28500
http://linked.open...ai/riv/idVysledku	RIV/00216224:14740/14:00077575
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Mesoporous; hybrid; phosphosilicates; sol-gel; nonhydrolytic (en)
http://linked.open.../riv/klicoveSlovo	hybrid sol-gel Mesoporous phosphosilicates nonhydrolytic
http://linked.open...ontrolniKodProRIV	[A5643B50705D]
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Employment of Best Young Scientists for International Cooperation Empowerment Central european institute of technology Nonhydrolytic Sol-Gel Reactions for the Synthesis of Silicates and Phosphates with Controlled Porosity and Surface Functionality
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Moravec, Zdeněk Pinkas, Jiří Škoda, David Stýskalík, Aleš Barnes, Craig E.
http://localhost/t...ganizacniJednotka	14740

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