Cover Page October-2014-Advanced Materials Letters

Advanced Materials Letters

Volume 5, Issue 10, Pages 569-572, October 2014
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Electrodeposition Of V2O5 Using Ammonium Metavanadate At Room Room Temperature

Dimitra Vernardou1*, Emmanouil Spanakis2, Nikolaos Katsarakis1,3, Emmanouil Koudoumas1,4

1Center of Materials Technology and Photonics, School of Applied Technology, Technological Educational Institute of Crete, 710 04 Heraklion, Crete, Greece

2Department of Materials Science and Technology, University of Crete, 710 03 Heraklion, Crete, Greece

3Institute of Electronic Structure and Laser, Foundation for Research & Technology-Hellas, P.O. Box 1527, Vassilika Vouton, 711 10 Heraklion, Crete, Greece

4Electrical Engineering Department, Technological Educational Institute of Crete, 710 04 Heraklion, Crete, Greece


Adv. Mater. Lett., 2014, 5 (10), pp 569-572

DOI: 10.5185/amlett.2014.5577

Publication Date (Web): Nov 09, 2014



Vanadium oxides were electrodeposited on fluorine doped tin dioxide glass substrates using an aqueous solution of ammonium metavanadate at room temperature for various growth periods keeping the current density constant. The deposition period was found to affect the structure and the morphology of the oxides indicating low crystalline quality and smooth surfaces respectively for periods < 2000 s. It has been found that crystalline vanadium pentoxide grown for 2000 s presented the highest amount of charge, being 0.43 0C interchanged between the oxide and the electrolyte with a respective specific capacitance of 286 F g-1 having a satisfactory stability after 500 continuous scans. The significance of achieving crystalline low-cost vanadium pentoxide at room temperature with enhanced electrochemical properties for applications as electroactive material is highlighted.


Electrodeposition, vanadium oxides, deposition period, electrochemical response

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