About: Low-temperature sol-gel synthesis of anatase nanoparticles modified by Au, Pd and Pt and activity of TiO2/Au, Pd, Pt photocatalysts in water splitting

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About: Low-temperature sol-gel synthesis of anatase nanoparticles modified by Au, Pd and Pt and activity of TiO2/Au, Pd, Pt photocatalysts in water splitting Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Base catalyzed hydrolysis and condensation of Ti isopropoxide with water at ambient temperature and molar ratio H2O/Ti(i-PrOH)(4) varied from 1 to 100 was studied. It was found that molar ratio H2O/Ti(i-PrOH)(4) = 100 originated amorphous TiO2-precursor of summary composition TiO1.9(OH)(0.2) with a specific surface area of 354 m(2)/g. Low-temperature crystallization of amorphous TiO2-precursor to nanostructured anatase at 80 A degrees C in a slightly reducing environment of d-glucose was studied. It was found that the low-temperature nucleation and crystallization of anatase was initiated (activated) by combined effects of d-glucose and Au-0, Pd-0 and Pt-0 nanoparticles, generated in situ by slow reduction of Au3+, Pd2+ and Pt4+ ions using d-glucose. Considerable photocatalytic activity of Ti-hydroxide-oxide/Au, Pd, Pt catalysts prepared at low-temperature was associated with high content of nanostructured anatase and low content of Au, Pd and Pt nanoparticles (0.02 wt.%) effectively deposited on the Base catalyzed hydrolysis and condensation of Ti isopropoxide with water at ambient temperature and molar ratio H2O/Ti(i-PrOH)(4) varied from 1 to 100 was studied. It was found that molar ratio H2O/Ti(i-PrOH)(4) = 100 originated amorphous TiO2-precursor of summary composition TiO1.9(OH)(0.2) with a specific surface area of 354 m(2)/g. Low-temperature crystallization of amorphous TiO2-precursor to nanostructured anatase at 80 A degrees C in a slightly reducing environment of d-glucose was studied. It was found that the low-temperature nucleation and crystallization of anatase was initiated (activated) by combined effects of d-glucose and Au-0, Pd-0 and Pt-0 nanoparticles, generated in situ by slow reduction of Au3+, Pd2+ and Pt4+ ions using d-glucose. Considerable photocatalytic activity of Ti-hydroxide-oxide/Au, Pd, Pt catalysts prepared at low-temperature was associated with high content of nanostructured anatase and low content of Au, Pd and Pt nanoparticles (0.02 wt.%) effectively deposited on the (en)
Title	Low-temperature sol-gel synthesis of anatase nanoparticles modified by Au, Pd and Pt and activity of TiO2/Au, Pd, Pt photocatalysts in water splitting Low-temperature sol-gel synthesis of anatase nanoparticles modified by Au, Pd and Pt and activity of TiO2/Au, Pd, Pt photocatalysts in water splitting (en)
skos:prefLabel	Low-temperature sol-gel synthesis of anatase nanoparticles modified by Au, Pd and Pt and activity of TiO2/Au, Pd, Pt photocatalysts in water splitting Low-temperature sol-gel synthesis of anatase nanoparticles modified by Au, Pd and Pt and activity of TiO2/Au, Pd, Pt photocatalysts in water splitting (en)
skos:notation	RIV/00216305:26620/13:PU103083!RIV14-MSM-26620___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), P(LD12004), P(OC 105), Z(MSM0021630508)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Bartoníčková, Eva Cihlář, Jaroslav Cihlář, Jaroslav
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	Vysoké učení technické v Brně / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	85515
http://linked.open...ai/riv/idVysledku	RIV/00216305:26620/13:PU103083
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Anatase, Nanoparticles, Pt, Pd, Au, Sol-gel, Water photolysis (en)
http://linked.open.../riv/klicoveSlovo	Pd Water photolysis Nanoparticles Au Sol-gel Pt Anatase
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[8627B68516F0]
http://linked.open...i/riv/nazevZdroje	JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Study of catalytically active nanoparticles and nanostructures for the synthesis of hydrogen http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20105 Central european institute of technology
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	65
http://linked.open...iv/tvurceVysledku	Cihlář, Jaroslav Bartoníčková, Eva
http://linked.open...ain/vavai/riv/wos	000315628200020
http://linked.open...n/vavai/riv/zamer	Anorganické nanomateriály a nanostruktury: vytváření, analýza, vlastnosti
issn	0928-0707
number of pages	12 (xsd:int)
http://localhost/t...ganizacniJednotka	26620

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