About: Hydrothermally grown porous FeVO4 nanorods and their integration as active material in gas-sensing devices

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About: Hydrothermally grown porous FeVO4 nanorods and their integration as active material in gas-sensing devices 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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1039/c3ta12821k
Description	Controllable fabrication of highly porous iron vanadate (FeVO4) thick film consisting of disordered nanorods suitable for gas penetration and permeation was achieved by hydrothermal synthesis of fervanite-like FeVO4 center dot 1.1H2O. The subsequent dehydration to FeVO4 was investigated by Fe-57 Mossbauer spectroscopy (DQS), DTA, magnetic susceptibility (c) and electron microscopy (REM/TEM). Their integration in gas sensing devices as porous layer via polymer-blended (PVDF) doctor-blading approach was successfully demonstrated followed by investigations of their electric properties and oxygen sensing capability. The probed I-U behaviour and UV-Vis measurements confirmed the semiconducting nature of triclinic FeVO4 (E-g = 2.72 eV) and exhibited an activation energy for electric conduction of 0.46 eV. The best sensitivity of 0.29 +/- 0.01 (m = -3.4 +/- 0.1) could be obtained at an optimal working temperature of 250 degrees C. Controllable fabrication of highly porous iron vanadate (FeVO4) thick film consisting of disordered nanorods suitable for gas penetration and permeation was achieved by hydrothermal synthesis of fervanite-like FeVO4 center dot 1.1H2O. The subsequent dehydration to FeVO4 was investigated by Fe-57 Mossbauer spectroscopy (DQS), DTA, magnetic susceptibility (c) and electron microscopy (REM/TEM). Their integration in gas sensing devices as porous layer via polymer-blended (PVDF) doctor-blading approach was successfully demonstrated followed by investigations of their electric properties and oxygen sensing capability. The probed I-U behaviour and UV-Vis measurements confirmed the semiconducting nature of triclinic FeVO4 (E-g = 2.72 eV) and exhibited an activation energy for electric conduction of 0.46 eV. The best sensitivity of 0.29 +/- 0.01 (m = -3.4 +/- 0.1) could be obtained at an optimal working temperature of 250 degrees C. (en)
Title	Hydrothermally grown porous FeVO4 nanorods and their integration as active material in gas-sensing devices Hydrothermally grown porous FeVO4 nanorods and their integration as active material in gas-sensing devices (en)
skos:prefLabel	Hydrothermally grown porous FeVO4 nanorods and their integration as active material in gas-sensing devices Hydrothermally grown porous FeVO4 nanorods and their integration as active material in gas-sensing devices (en)
skos:notation	RIV/00216208:11310/14:10194154!RIV15-MSM-11310___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Nižňanský, Daniel
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	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	20131
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/14:10194154
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	sensitivity; degradation; nanocrystals; form; orthovanadate; pressure; thin-films; metal-oxides; electrochemical properties; temperature oxygen sensors (en)
http://linked.open.../riv/klicoveSlovo	metal-oxides degradation form pressure thin-films electrochemical properties nanocrystals sensitivity orthovanadate temperature oxygen sensors
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[B96EDEB878A9]
http://linked.open...i/riv/nazevZdroje	Journal of Materials Chemistry A
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	2
http://linked.open...iv/tvurceVysledku	Nižňanský, Daniel Mathur, Sanjay Valldor, Martin Lehnen, Thomas
http://linked.open...ain/vavai/riv/wos	000329935700035
issn	2050-7488
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1039/c3ta12821k
http://localhost/t...ganizacniJednotka	11310

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