1. Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singaporw 637371 Singapore
2. Department of Physical Chemistry; Palacký University Olomouc; trˇ. 17. Listopadu 1192/12 771 46 Olomouc Czech Republic
3. Regional Centre of Advanced Technologies and Materials; Palacký University Olomouc; trˇ. 17. Listopadu 1192/12 Olomouc 771 46 Czech Republic
4. Department of Inorganic Chemistry; University of Chemistry and Technology Prague; Technická 5 166 28 Prague Czech Republic