[1] Khon Kaen Univ, Fac Sci, Dept Chem, Khon Kaen 40002, Thailand
[2] Thammasat Univ Rangsit, Fac Sci & Technol, Dept Phys, Pathum Thani 12121, Thailand
[3] Mahidol Univ, Fac Sci, Dept Chem, Bangkok 10400, Thailand
[4] Leiden Univ, Leiden Inst Chem, Gorlaeus Labs, NL-2300 RA Leiden, Netherlands
[5] Univ Helsinki, Dept Chem, Inorgan Chem Lab, FIN-00014 Helsinki, Finland