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Statements

Subject Item
n2:RIV%2F60461373%3A22340%2F14%3A43897272%21RIV15-MSM-22340___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
We report on the first application of terahertz metamaterials acting as transducers for chemical sensors based on conducting polymers. In our feasibility study aimed at sensing of gaseous hydrochloric and ammonia, a two-dimensional sensor metamaterial consisting of an array of split-ring resonators on the surface of undoped silicon wafer was prepared. The surface of the resonator was coated with a 150-mu m layer of polyaniline. Binding of hydrogen chloride to polyaniline leads to distinct changes in the resonance frequency of the metamaterial. Measurements can be performed both in the reflection and transmission mode. A numerical simulation of the response revealed an increase of both the real and the imaginary components of the dielectric function of the polyaniline film. These changes are attributed to the transition from emaraldine base to emeraldine salt. The results demonstrate a new approach for formation of highly sensitive transducers for chemical sensors. We report on the first application of terahertz metamaterials acting as transducers for chemical sensors based on conducting polymers. In our feasibility study aimed at sensing of gaseous hydrochloric and ammonia, a two-dimensional sensor metamaterial consisting of an array of split-ring resonators on the surface of undoped silicon wafer was prepared. The surface of the resonator was coated with a 150-mu m layer of polyaniline. Binding of hydrogen chloride to polyaniline leads to distinct changes in the resonance frequency of the metamaterial. Measurements can be performed both in the reflection and transmission mode. A numerical simulation of the response revealed an increase of both the real and the imaginary components of the dielectric function of the polyaniline film. These changes are attributed to the transition from emaraldine base to emeraldine salt. The results demonstrate a new approach for formation of highly sensitive transducers for chemical sensors.
dcterms:title
Terahertz split-ring metamaterials as transducers for chemical sensors based on conducting polymers: a feasibility study with sensing of acidic and basic gases using polyaniline chemosensitive layer Terahertz split-ring metamaterials as transducers for chemical sensors based on conducting polymers: a feasibility study with sensing of acidic and basic gases using polyaniline chemosensitive layer
skos:prefLabel
Terahertz split-ring metamaterials as transducers for chemical sensors based on conducting polymers: a feasibility study with sensing of acidic and basic gases using polyaniline chemosensitive layer Terahertz split-ring metamaterials as transducers for chemical sensors based on conducting polymers: a feasibility study with sensing of acidic and basic gases using polyaniline chemosensitive layer
skos:notation
RIV/60461373:22340/14:43897272!RIV15-MSM-22340___
n3:aktivita
n17:S
n3:aktivity
S
n3:cisloPeriodika
15-16
n3:dodaniDat
n4:2015
n3:domaciTvurceVysledku
n15:4743202
n3:druhVysledku
n13:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
49928
n3:idVysledku
RIV/60461373:22340/14:43897272
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Dielectric permittivity; Conducting polymer; Transducer; Chemical sensor; Split-ring resonator; Metamaterial
n3:klicoveSlovo
n7:Conducting%20polymer n7:Transducer n7:Chemical%20sensor n7:Dielectric%20permittivity n7:Metamaterial n7:Split-ring%20resonator
n3:kodStatuVydavatele
AT - Rakouská republika
n3:kontrolniKodProRIV
[E62E6B62D4F7]
n3:nazevZdroje
Microchimica Acta
n3:obor
n5:CB
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
7
n3:rokUplatneniVysledku
n4:2014
n3:svazekPeriodika
181
n3:tvurceVysledku
Lange, Christoph Šiškanová, Tatiana Danilov, Sergej Drexler, Christoph Mirsky, V. M. Weiss, D. Ganichev, S. D.
n3:wos
000344001200011
s:issn
0026-3672
s:numberOfPages
6
n18:doi
10.1007/s00604-014-1263-0
n9:organizacniJednotka
22340