1. J. Heyrovský Institute of Physical Chemistry of ASCR, v.v.i., Dolejškova
3, 18223 Prague, Czech Republic
2. Institute of Organic Chemistry and Biochemistry of ASCR, v.v.i., Flemingovo
n. 2, 16610 Prague, Czech Republic
3. Institute of Materials and Environmental
Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Pusztaszeri strasse 59−67,
H-1025 Budapest, Hungary