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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Rauch, Jean-Yves
Laboratoire Bourguignon des Matériaux et Procédés
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Titanium oxynitride thin films by the reactive sputtering process with an independent pulsing of O2 and N2 gases
- 2022Tunable Electrical Properties of Ti-B-N Thin Films Sputter-Deposited by the Reactive Gas Pulsing Process
- 2016Effect of oxygen vacancies on crystallization and piezoelectric performance of PZTcitations
- 2016Modeling and characterization of piezoelectric beams based on an aluminum nitride thin-film layercitations
- 2016Temperature dependence of electrical resistivity in oxidized vanadium films grown by the GLAD techniquecitations
- 2013Acoustic resonator based on periodically poled lithium niobate ridgecitations
- 2013Metal-to-Dielectric transition induced by annealing of oriented titanium thin films
- 2013Metal-to-dielectric transition induced by annealing of oriented titanium thin filmscitations
- 2012Ammonia gas sensors based on polypyrrole films: Influence of electrodeposition parameterscitations
- 2010Manufacture of microfluidic glass chips by deep plasma etching, femtosecond laser ablation, and anodic bondingcitations
- 2010One-pot electrosynthesis of polyglycine-like thin film on platinum electrodes as transducer for solid state pH measurementscitations
- 2010Electrochemically deposited polyethyleneimine films and their characterizationcitations
- 2009Physical and Mechanical Properties of CrAlN and CrSiN Ternary Systems for Wood Machining Applicationscitations
- 2009Preparation of flat gold terraces for protein chip developmentscitations
- 2007Development of miniaturized pH biosensors based on electrosynthesized polymer filmscitations
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article
Ammonia gas sensors based on polypyrrole films: Influence of electrodeposition parameters
Abstract
International audience ; A gas sensor consisting in polypyrrole films electrochemically deposited on microelectrodes arrays was fabricated using silicon microtechnologies. Polypyrrole was electrodeposited on platinum microelectrodes using four different electrodeposition potentials, five counter-ions and three salt concentrations to assess the effects of these parameters on the sensing properties of polypyrrole films. The change in conductance of thin polymer layers, due to adsorption of ammonia gas, was used as a sensor signal. The behaviors of the polymer-based gas sensors, including response time, response amplitude, reproducibility and reversibility, to various ammonia gas concentrations ranging from 1 to 100 ppm were investigated. The experimental results showed that these ammonia gas sensors were efficient since they were sensitive to ammonia, and since their response was fast and reproducible at room temperature. The most efficient ammonia gas sensor was obtained with a 248 nm-thick polypyrrole film electrosynthesized from 0.1 M pyrrole and 0.1 M LiClO4 under an electrodeposition potential of +2.0 V/SCE.