About: Selective Hydrogen Detection with TiO2 Nanofilm via the Porous-Alumina-Assisted Anodizing of Titanium Layers

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Nanostructured metal oxides grown via porous-alumina (PA)-assisted anodization of sputtered refractory metals are of increasing interest as active layers for gas microsensors. Although nanostructured titanium oxide is particularly attractive, PA-assisted anodic formation of titanium oxide nanostructures remains a challenge because of their chemical instability caused by substantially mixing titania with alumina during film growth. Here we advance the approach and employ a unique combination of electrical and electrolytic conditions to achieve the PA-assisted formation of a stable amorphous TiO2 nanofilm on dielectric substrates, followed by high-temperature annealing to attain crystallization and enhance semiconductor properties of the film. A laboratory-scale microsensor employing the TiO2 nanofilm as active layer shows good sensitivity and selectivity to hydrogen against ethanol and carbon monoxide, which is in demand for proton-exchange fuel-cell applications. Nanostructured metal oxides grown via porous-alumina (PA)-assisted anodization of sputtered refractory metals are of increasing interest as active layers for gas microsensors. Although nanostructured titanium oxide is particularly attractive, PA-assisted anodic formation of titanium oxide nanostructures remains a challenge because of their chemical instability caused by substantially mixing titania with alumina during film growth. Here we advance the approach and employ a unique combination of electrical and electrolytic conditions to achieve the PA-assisted formation of a stable amorphous TiO2 nanofilm on dielectric substrates, followed by high-temperature annealing to attain crystallization and enhance semiconductor properties of the film. A laboratory-scale microsensor employing the TiO2 nanofilm as active layer shows good sensitivity and selectivity to hydrogen against ethanol and carbon monoxide, which is in demand for proton-exchange fuel-cell applications. (en)
Title	Selective Hydrogen Detection with TiO2 Nanofilm via the Porous-Alumina-Assisted Anodizing of Titanium Layers Selective Hydrogen Detection with TiO2 Nanofilm via the Porous-Alumina-Assisted Anodizing of Titanium Layers (en)
skos:prefLabel	Selective Hydrogen Detection with TiO2 Nanofilm via the Porous-Alumina-Assisted Anodizing of Titanium Layers Selective Hydrogen Detection with TiO2 Nanofilm via the Porous-Alumina-Assisted Anodizing of Titanium Layers (en)
skos:notation	RIV/00216305:26620/14:PU111724!RIV15-GA0-26620___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA14-29531S)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Mozalev, Alexander
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	44293
http://linked.open...ai/riv/idVysledku	RIV/00216305:26620/14:PU111724
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanostructured metal oxides, anodizing, porous alumina, titanium oxide, hydrogen sensor (en)
http://linked.open.../riv/klicoveSlovo	titanium oxide porous alumina nanostructured metal oxides anodizing hydrogen sensor
http://linked.open...ontrolniKodProRIV	[64D191913D76]
http://linked.open...v/mistoKonaniAkce	Valencia, Spain
http://linked.open...i/riv/mistoVydani	IEEE Service Center 445 Hoes Lane Piscataway, NJ
http://linked.open...i/riv/nazevZdroje	Proceedings of IEEE sensors 2014
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Formation and properties of novel self-organized mixed-oxide 3-D nanostructured films for use in advanced microdevices (AnoNanoFilm)
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Mozalev, Alexander Gispert-Guirado, Francesc Llobet, Eduard Vazquez, Rosa Maria
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-11-03 (xsd:date)
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1109/ICSENS.2014.6985122
http://purl.org/ne...btex#hasPublisher	IEEE
https://schema.org/isbn	978-1-4799-0161-6
http://localhost/t...ganizacniJednotka	26620

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