1. Nanoscience Research Group & Aston Institute of Photonic Technologies, School of Engineering & Applied Science, Aston University, Aston Triangle, B4 7ET Birmingham, U.K.
2. Institute of Physics, National Academy of Sciences of Ukraine, 46, prospekt Nauky, 03680 Kyiv, Ukraine
3. Institute of Organic Chemistry, National Academy of Sciences of Ukraine, 5, Murmanska Street, 02660 Kyiv, Ukraine
4. Edinburgh Instruments Ltd., 2 Bain Square, Kirkton Campus, Livingston EH54 7DQ, U.K.
5. Department of Solar Energy and Environmental Physics, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben-Gurion 84990, Israel
6. Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, 1, Murmanska Street, 02660 Kyiv, Ukraine