About: Mechanochemical Synthesis of Visible Light Sensitive Titanium Dioxide Photocatalyst

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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	Phase transition of anatase nanoparticles into the phases TiO(2)-II and rutile under grinding was studied. The addition of ammonium carbamate to the reaction mixture inhibits the phase conversion and the cold welding of particles. The UV-visible absorption spectrum showed narrowing the band gap width after grinding with an ammonium carbamate additive resulting in shift of the light absorption of the ground sample towards the visible region. By EPR, intensive formation of OH(center dot) radical at irradiation of the sample with both UV (lambda > 300 nm) and visible (lambda > 435 nm) light was observed. High photocatalytic activity of the ground sample in visible light region was demonstrated also by measurement of kinetics of the photocatalytic decomposition of 4-chlorophenol. Phase transition of anatase nanoparticles into the phases TiO(2)-II and rutile under grinding was studied. The addition of ammonium carbamate to the reaction mixture inhibits the phase conversion and the cold welding of particles. The UV-visible absorption spectrum showed narrowing the band gap width after grinding with an ammonium carbamate additive resulting in shift of the light absorption of the ground sample towards the visible region. By EPR, intensive formation of OH(center dot) radical at irradiation of the sample with both UV (lambda > 300 nm) and visible (lambda > 435 nm) light was observed. High photocatalytic activity of the ground sample in visible light region was demonstrated also by measurement of kinetics of the photocatalytic decomposition of 4-chlorophenol. (en)
Title	Mechanochemical Synthesis of Visible Light Sensitive Titanium Dioxide Photocatalyst Mechanochemical Synthesis of Visible Light Sensitive Titanium Dioxide Photocatalyst (en)
skos:prefLabel	Mechanochemical Synthesis of Visible Light Sensitive Titanium Dioxide Photocatalyst Mechanochemical Synthesis of Visible Light Sensitive Titanium Dioxide Photocatalyst (en)
skos:notation	RIV/61388980:_____/11:00369876!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	-
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Murafa, Nataliya Szatmary, Lorant Šubrt, Jan
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	211315
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/11:00369876
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	S-doped TiO2; emanation thermal - analysis; oxide photocatalysts; EPR spectroscopy; methylene-blue; surface.area; anatase TiO2 (en)
http://linked.open.../riv/klicoveSlovo	EPR spectroscopy S-doped TiO2 anatase TiO2 emanation thermal - analysis methylene-blue oxide photocatalysts surface.area
http://linked.open...odStatuVydavatele	EG - Egyptská arabská republika
http://linked.open...ontrolniKodProRIV	[B588A7CFD00D]
http://linked.open...i/riv/nazevZdroje	International Journal of Photoenergy
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Research centre for nanostructures engineering
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	-
http://linked.open...iv/tvurceVysledku	Murafa, Nataliya Szatmáry, Lórant Šubrt, Jan Brezová, V. Criado, J. M. Diánez, M. J. Pérez-Maqueda, L. A.
http://linked.open...ain/vavai/riv/wos	000292452300001
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	1110-662X
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1155/2011/156941

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