About: Thin polyaniline and polyaniline/carbon nanocomposite films for gas sensing

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We have studied the gas sensing properties of five polyaniline-based materials—thick and thin polyaniline (PANI) films, nanocomposite films of PANI and single-wall and multi-wall carbon nanotubes, and PANI nanogranules embedded in a polyvinylpyrrolidone matrix. The films were deposited within the induction period of the polymerization process on gold interdigitated micro electrodes. Their sensitivity to ammonia, hydrogen, ethanol, methanol, and acetone was measured. The thin PANI film (100 nm thick) prepared by a lift-off process had the sensitivity to ammonia below 0.5 ppm, which was higher than that of nanocomposite films. Two materials – thick PANI film and nanocomposite film of PANI and multi-wall carbon nanotubes – exhibited a shallow minimum in the temperature dependence of resistance at 313 K and 319 K, which is a feature exploitable in practical applications, since the gas sensors should be insensitive to small temperature fluctuations at these temperatures. We have studied the gas sensing properties of five polyaniline-based materials—thick and thin polyaniline (PANI) films, nanocomposite films of PANI and single-wall and multi-wall carbon nanotubes, and PANI nanogranules embedded in a polyvinylpyrrolidone matrix. The films were deposited within the induction period of the polymerization process on gold interdigitated micro electrodes. Their sensitivity to ammonia, hydrogen, ethanol, methanol, and acetone was measured. The thin PANI film (100 nm thick) prepared by a lift-off process had the sensitivity to ammonia below 0.5 ppm, which was higher than that of nanocomposite films. Two materials – thick PANI film and nanocomposite film of PANI and multi-wall carbon nanotubes – exhibited a shallow minimum in the temperature dependence of resistance at 313 K and 319 K, which is a feature exploitable in practical applications, since the gas sensors should be insensitive to small temperature fluctuations at these temperatures. (en)
Title	Thin polyaniline and polyaniline/carbon nanocomposite films for gas sensing Thin polyaniline and polyaniline/carbon nanocomposite films for gas sensing (en)
skos:prefLabel	Thin polyaniline and polyaniline/carbon nanocomposite films for gas sensing Thin polyaniline and polyaniline/carbon nanocomposite films for gas sensing (en)
skos:notation	RIV/61389013:_____/11:00358888!RIV12-AV0-61389013
http://linked.open...avai/predkladatel	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Stejskal, Jaroslav Konyushenko, Elena
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 makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	235254
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/11:00358888
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	gas sensor; polyaniline thin film; nanocomposite (en)
http://linked.open.../riv/klicoveSlovo	gas sensor nanocomposite polyaniline thin film
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[835BA622F8C2]
http://linked.open...i/riv/nazevZdroje	Thin Solid Films
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	12 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	519
http://linked.open...iv/tvurceVysledku	Stejskal, Jaroslav Konyushenko, Elena Kováčová, E. Križanová, O. Krupa, I. Kunzo, P. Lobotka, P. Mičušík, M. Omastová, M. Smatko, V. Vávra, I. Špitálský, Z.
http://linked.open...ain/vavai/riv/wos	000290184500033
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie
issn	0040-6090
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.tsf.2011.01.177
is http://linked.open...avai/riv/vysledek of	Thin polyaniline and polyaniline/carbon nanocomposite films for gas sensing Thin polyaniline and polyaniline/carbon nanocomposite films for gas sensing

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