1. Center of Spectroelectrochemistry,
Department of Electrochemistry and Conducting Polymers, Leibniz Institute
for Solid State and Materials Research, IFW Dresden, Helmholtzstrasse 20, D-01069 Dresden, Germany
2. Faculty of Industrial Chemistry
and Environmental Engineering, University “Politehnica” of Timisoara, Piata Victoriei 2, RO-300006 Timisoara,
Romania