About: Facile Conversion of Electrospun TiO2 into Titanium Nitride/Oxynitride Fibers

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Nanocrystalline fibrous TiO2 (anatase) was prepared by electrostatic spinning from ethanolic solution of Ti(IV) butoxide, acetylacetone, and poly(vinylpyrrolidone) employing the Nanospider industrial process. These titania fibers were smoothly converted into cubic titanium oxynitride, TiOxNy fibers (a = 4.1930 angstrom) during 4 h at 600 degrees C in ammonia atmosphere. The obtained material is convertible back into TiO2 fibers by heat treatment in air at 500 degrees C. The TiO2 fibers, which were reformed in this way, contain anatase as the main phase. Their follow-up reaction with NH3 at 600 degrees C/2 h leads to a less crystalline oxynitride material with a approximate to 4.173 A, which is close to that of cubic TiO. Three subsequent cycles of this transformation were demonstrated. The described conversions are specific for electrospun anatase fibers only. At the same experimental conditions, other forms of nanocrystalline anatase do not react with ammonia yielding cubic phases. Nanocrystalline fibrous TiO2 (anatase) was prepared by electrostatic spinning from ethanolic solution of Ti(IV) butoxide, acetylacetone, and poly(vinylpyrrolidone) employing the Nanospider industrial process. These titania fibers were smoothly converted into cubic titanium oxynitride, TiOxNy fibers (a = 4.1930 angstrom) during 4 h at 600 degrees C in ammonia atmosphere. The obtained material is convertible back into TiO2 fibers by heat treatment in air at 500 degrees C. The TiO2 fibers, which were reformed in this way, contain anatase as the main phase. Their follow-up reaction with NH3 at 600 degrees C/2 h leads to a less crystalline oxynitride material with a approximate to 4.173 A, which is close to that of cubic TiO. Three subsequent cycles of this transformation were demonstrated. The described conversions are specific for electrospun anatase fibers only. At the same experimental conditions, other forms of nanocrystalline anatase do not react with ammonia yielding cubic phases. (en)
Title	Facile Conversion of Electrospun TiO2 into Titanium Nitride/Oxynitride Fibers Facile Conversion of Electrospun TiO2 into Titanium Nitride/Oxynitride Fibers (en)
skos:prefLabel	Facile Conversion of Electrospun TiO2 into Titanium Nitride/Oxynitride Fibers Facile Conversion of Electrospun TiO2 into Titanium Nitride/Oxynitride Fibers (en)
skos:notation	RIV/61388955:_____/10:00350911!RIV11-MSM-61388955
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA400400804), P(KAN200100801), P(LC510), P(OC09048), Z(AV0Z40400503), Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika	13
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Zukalová, Markéta Kavan, Ladislav Bastl, Zdeněk Procházka, 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 fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	258658
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/10:00350911
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	visible-light photocatalysis; nitrogen doped TiO2; thin films (en)
http://linked.open.../riv/klicoveSlovo	thin films nitrogen doped TiO2 visible-light photocatalysis
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[1DDA40B9D926]
http://linked.open...i/riv/nazevZdroje	Chemistry of Materials
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of nanotechnology and materials for nanoelectronics Supramolecular assemblies with carbon nanotubes Bioactive Biocompatible Surfaces and Novel Nanostructured Composites for Applications to Medicine and Drug Delivery Nanocrystalline oxidic semiconductors for optoelectronic applications
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	22
http://linked.open...iv/tvurceVysledku	Kavan, Ladislav Zukalová, Markéta Procházka, Jan Bastl, Zdeněk Havlíček, D. Duchoslav, J. Rubáček, L.
http://linked.open...ain/vavai/riv/wos	000279389200027
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace Nové molekulární systémy pro pokročilé aplikace prospěšné pro zdraví a šetrné k životnímu prostředí
issn	0897-4756
number of pages	11 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Facile Conversion of Electrospun TiO2 into Titanium Nitride/Oxynitride Fibers Facile Conversion of Electrospun TiO2 into Titanium Nitride/Oxynitride Fibers Facile Conversion of Electrospun TiO2 into Titanium Nitride/Oxynitride Fibers

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