* Corresponding authors

^a Faculty of Materials Science and Ceramics, AGH University of Science and Technology, A. Mickiewicza 30, 30-059 Krakow, Poland
E-mail: glesly@agh.edu.pl

^b The University of Texas at Austin, Austin, 78-712 Texas, USA

^c Institute of Chemistry, University of Silesia, Szkolna 9, 40-007 Katowice, Poland

^d Faculty of Electrical Engineering, Bialystok University of Technology, Wiejska 45D Street, 15-351 Bialystok, Poland

^e Optical Spectroscopy Division, University of Wrocław, plac Uniwersytecki 1, 50-137 Wrocław, Poland