1. Department of Physical Chemistry, University of Debrecen, Debrecen, Hungary
2. Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
3. MTA-DE Redox and Homogeneous Catalytic Reaction Mechanism Research Group, Debrecen, Hungary
4. Department of Physical Chemistry and Materials Science, University of Pécs, Pécs, Hungary