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Impedance spectroscopy of Na+ conducting zeolite ZSM-5
Affiliation:1. National R&D Institute for Isotopic and Molecular Technologies, Donat Str. 67–103, Cluj-Napoca, Romania;2. Laboratoire CRISMAT, UMR6508 CNRS/ENSICAEN, 6bd Marechal Juin, 14050 Caen Cedex 4, France;1. School of Material Science and Engineering, University of Jinan, 250022, Jinan, PR China;2. Faculty of Chemical Engineering and Technology, Cracow University of Technology, Krakow, 31-155, Poland;1. Institute of Physics of Jan Dlugosz University in Czestochowa, 13/15, al. Armii Krajowej, Czestochowa, 42200, Poland;2. Vlokh Institute of Physical Optics, 23, Dragomanov str., Lviv, 79005, Ukraine;3. Scientific Research Company “Carat”, 202, Stryjska str., Lviv, 79031, Ukraine;4. Opole University of Technology, 75, Ozimska str., Opole, 45370, Poland;5. Ivan Franko National University of Lviv, 1, Universytetska str., Lviv, 79000, Ukraine;6. Centre for Innovation and Transfer of Natural Sciences and Engineering Knowledge, University of Rzeszow, 1, Pigonia str., Rzeszow, 35-959, Poland;7. Institute of Geotechnics of Slovak Academy of Sciences, 45, Watsonova str., Košice, 04001, Slovakia
Abstract:The electrochemical impedance of Na+ ion conducting zeolite Na-ZSM-5 contacted with gold electrodes is measured. Complementary impedance measurements of the same material contacted with Na+ ion conducting Na2CO3 enabled the separation of volume and electrode parts of the impedance. Both volume and electrode impedances consisted of multiple components. Possible underlying mechanisms are discussed in view of the application of zeolites as sensitive materials in solid-state ionic gas sensors.
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