1. Taras Shevchenko National University of Kiyv; Chemistry Department; 64/13, Volodymyrska Str. 01601 Kyiv Ukraine
2. STC “Institute for Single Crystals” NAS of Ukraine; 60 Lenin ave. 61001 Kharkiv Ukraine
3. V.N. Karazin National University; 4, Svobody sq. 61001 Kharkiv Ukraine