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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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Opallo, M.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2009Hydrophilic carbon nanoparticle-laccase thin film electrode for mediatorless dioxygen reduction SECM activity mapping and application in zinc-dioxygen batterycitations
- 2008Introducing hydrophilic carbon nanoparticles into hydrophilic sol-gel film electrodescitations
- 2007SnO2-poly(diallyldimethylammonium chloride) films: Electrochemical evidence for heme protein absorption, denaturation, and demetallationcitations
- 2007A porous ITO nanoparticles modified electrode for the redox liquid immobilizationcitations
- 2005Effects of carbon nanofiber composites on electrode processes involving liquid vertical bar liquid ion transfercitations
- 2005Characterisation of biphasic electrodes based on the liquid N,N-didodecyl-N ' N '-diethylphenylenediamine redox system immobilised on porous hydrophobic silicates and immersed in aqueous mediacitations
- 2003Cyclic voltammetry and impedance spectroscopy studies of silver vanadate phosphate glassescitations
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article
Cyclic voltammetry and impedance spectroscopy studies of silver vanadate phosphate glasses
Abstract
<p>Electrical and electrochemical properties of the glasses of the AgI-Ag<sub>2</sub>O-V<sub>2</sub>O<sub>5</sub>-P<sub>2</sub>O<sub>5</sub> system were characterized by impedance spectroscopy and cyclic voltammetry. The observed correlation between the results obtained by these two methods was analyzed. It was found that for compositions with high content of V<sub>2</sub>O<sub>5</sub> and low of Ag<sub>2</sub>O and AgI, samples are electronic conductors. For these compositions, voltammograms are linear. At higher contents of AgI, when glasses become electronic-ionic conductors, impedance spectra contain Warburg-like diffusional part and voltammograms reveal some hysteresis. Finally at high contents of AgI and Ag<sub>2</sub>O impedance spectra indicate blocking effects at the electrodes. Voltammograms of these glasses contain anodic and cathodic peaks. © 2002 Elsevier Science B.V. All rights reserved.</p>