About: Photoelectrochemical properties of particulate and sol-gel layers.

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About: Photoelectrochemical properties of particulate and sol-gel layers. Goto Sponge NotDistinct Permalink

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	Polarization curves on irradiated TiO2 layers were measured in various electrolytes, namely sodium hydroxide, sulphuric acid, oxalic acid and potassium oxalate. Photocurrents measured in 0.1 M NaOH are very small and decrease with increasing number of Degussa P25 TiO2 layers. Photocurrents for sol-gel TiO2 layers in 0.1 M NaOH are about five times higher than for P25 TiO2 layers and increasing with number of layers. The same holds for Na2SO4, but in H2SO4 the difference between P25 and sol-gel diminishes, however the sol-gel layers still show the higher currents. In solutions of oxidizable substrates the trend is inversed: P25 layers show higher currents, with a steep increase with concentration of solute. The shape of the polarization curves was interpreted in terms of response time to irradiation and photocurrent depletion. Degradation experiments demonstrated that the effect (and advantage) of biasing the electrode depends on adsorption properties of substance and surface area of electrode materia Polarization curves on irradiated TiO2 layers were measured in various electrolytes, namely sodium hydroxide, sulphuric acid, oxalic acid and potassium oxalate. Photocurrents measured in 0.1 M NaOH are very small and decrease with increasing number of Degussa P25 TiO2 layers. Photocurrents for sol-gel TiO2 layers in 0.1 M NaOH are about five times higher than for P25 TiO2 layers and increasing with number of layers. The same holds for Na2SO4, but in H2SO4 the difference between P25 and sol-gel diminishes, however the sol-gel layers still show the higher currents. In solutions of oxidizable substrates the trend is inversed: P25 layers show higher currents, with a steep increase with concentration of solute. The shape of the polarization curves was interpreted in terms of response time to irradiation and photocurrent depletion. Degradation experiments demonstrated that the effect (and advantage) of biasing the electrode depends on adsorption properties of substance and surface area of electrode materia (en)
Title	Photoelectrochemical properties of particulate and sol-gel layers. Photoelectrochemical properties of particulate and sol-gel layers. (en)
skos:prefLabel	Photoelectrochemical properties of particulate and sol-gel layers. Photoelectrochemical properties of particulate and sol-gel layers. (en)
skos:notation	RIV/60461373:22310/03:00008339!RIV/2004/GA0/223104/N
http://linked.open.../vavai/riv/strany	115-122
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA104/02/0662), P(GA203/02/0983)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Krýsa, Josef
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	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	620828
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/03:00008339
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	photocatalytic, electrochemical, degradation, wastewater, oxalic acid, formic acid, polarization curves, adsorption properties. (en)
http://linked.open.../riv/klicoveSlovo	degradation oxalic acid formic acid electrochemical wastewater polarization curves photocatalytic adsorption properties.
http://linked.open...odStatuVydavatele	EG - Egyptská arabská republika
http://linked.open...ontrolniKodProRIV	[051C70A31FF2]
http://linked.open...i/riv/nazevZdroje	Journal of Photoenergy
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Application of advanced oxidation processes utilizing solar energy in combination with non-ionogenic selective sorption for water decontamination Mineralization of organic pollutants by means of novel photocatalysts utilizing solar energy
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	5
http://linked.open...iv/tvurceVysledku	Jirkovský, Jaromír Krýsa, Josef Grabner, Gottfried Waldner, Georg
issn	1110-662X
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	22310

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