Amperometric Solid-State NO2 Sensor with Ionic Liquid-Polymer Electrolyte

0481627 - ÚACH 2018 CZ eng C - Conference Paper (international conference)
Nádherná, M. - Opekar, F. - Reiter, Jakub
Amperometric Solid-State NO2 Sensor with Ionic Liquid-Polymer Electrolyte.
Sborník přednášek. XXXI. Moderní elektrochemické metody. Ústí nad Labem: BEST servis, 2011 - (Navrátil, T.; Barek, J.), s. 86-90. ISBN 978-80-254-9634-3.
[International Conference on Modern Electrochemical Methods /31./. Jetřichovice (CZ), 23.05.2011-27.05.2011]
R&D Projects: GA MŠMT(CZ) LC523
Institutional research plan: CEZ:AV0Z40320502
Keywords : Sensor * Ionic Liquid * Nitrogen Dioxide * Gold Minigrid
Subject RIV: CA - Inorganic Chemistry
http://www.bestservis.eu/upload/file/Sbornik_metody11.pdf#page=200

A new ionic liquid-polymer electrolyte was successfully tested in the planar amperometric solid-state sensor sensitive towards nitrogen dioxide. The electrolyte consists of 1-butyl-3-methylimidazolium hexafluorophosphate (BMIPF6) and poly(ethylene glycol) methyl ether methacrylate (PEGMEMA) in the ratio 57:43 mol. %. The analyte, gaseous nitrogen dioxide in air, was determined using the electrochemical reduction at900 mV vs. Pt/air on gold minigrid indicating electrode with Pt/air as a reference electrode. Dependency of sensor sensitivity on the indicating electrode area and relative humidity was determined. The sensor response is linear in the NO2 concentration range 0.3 1.1 ppm and is reproducible and long-term stable.
Permanent Link: http://hdl.handle.net/11104/0279029