1. Institute
of Physics, National Academy of Sciences of Ukraine, 46, prospekt
Nauky, 03680 Kyiv, Ukraine
2. Nanotechnology Research Group & Aston Institute of Photonic Technologies, School of Engineering & Applied Science, Aston University, Aston Triangle, B4 7ET Birmingham, U.K.
3. Institute
of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, 1, Murmanska str., 02660 Kyiv, Ukraine