Ionic liquid based polymer electrolytes for NO2 electrochemical sensors

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F15%3A39900910" target="_blank" >RIV/00216275:25310/15:39900910 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216305:26310/15:PU116064 RIV/49777513:23220/15:43923452

Výsledek na webu

<a href="http://www.matsc.ktu.lt/index.php/MatSc/article/view/73671/699" target="_blank" >http://www.matsc.ktu.lt/index.php/MatSc/article/view/73671/699</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.5755/j01.ms.21.3.7371" target="_blank" >10.5755/j01.ms.21.3.7371</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Ionic liquid based polymer electrolytes for NO2 electrochemical sensors

Popis výsledku v původním jazyce

Amperometric NO2 sensors with a new type of printed solid polymer electrolyte and printed carbon working electrodes were developed. The electrolytes consisted of the ionic liquids 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [EMIM][N(Tf)2], 1-butyl-3-methylimidazolium trifluoromethanesulfonate [BMIM][CF3SO3], and 1-ethyl-3-methylimidazolium tetrafluoroborate [EMIM][BF4], which were immobilized in a poly(vinylidene fluoride) (PVDF) matrix. The analyte, gaseous nitrogen dioxide, was detected by reduction at -500 mV vs. the platinum pseudoreference electrode. The sensors showed linear behavior over the whole tested range, i.e., 0 - 5 ppm, and their sensitivities were in the order of hundreds of nanoamperes per one ppm of NO2. The sensor sensitivity was influenced by the electrical conductance of the electrolyte; the higher the conductance, the greater the sensor sensitivity. The rise/recovery times were of the order of tens of seconds. The use of screen printing technology for the preparation of the solid electrolyte and the carbon working electrode simplifies sensor fabrication without a negative effect on sensor performance.

Název v anglickém jazyce

Ionic liquid based polymer electrolytes for NO2 electrochemical sensors

Popis výsledku anglicky

Amperometric NO2 sensors with a new type of printed solid polymer electrolyte and printed carbon working electrodes were developed. The electrolytes consisted of the ionic liquids 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [EMIM][N(Tf)2], 1-butyl-3-methylimidazolium trifluoromethanesulfonate [BMIM][CF3SO3], and 1-ethyl-3-methylimidazolium tetrafluoroborate [EMIM][BF4], which were immobilized in a poly(vinylidene fluoride) (PVDF) matrix. The analyte, gaseous nitrogen dioxide, was detected by reduction at -500 mV vs. the platinum pseudoreference electrode. The sensors showed linear behavior over the whole tested range, i.e., 0 - 5 ppm, and their sensitivities were in the order of hundreds of nanoamperes per one ppm of NO2. The sensor sensitivity was influenced by the electrical conductance of the electrolyte; the higher the conductance, the greater the sensor sensitivity. The rise/recovery times were of the order of tens of seconds. The use of screen printing technology for the preparation of the solid electrolyte and the carbon working electrode simplifies sensor fabrication without a negative effect on sensor performance.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CG - Elektrochemie

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Materials Science - Medziagotyra

ISSN

1392-1320

e-ISSN

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Svazek periodika

21

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

LT - Litevská republika

Počet stran výsledku

4

Strana od-do

415-418

Kód UT WoS článku

000360971300019

EID výsledku v databázi Scopus

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