1. Department of Solid State Physics (member of National Photovoltaic Laboratory, Poland), Faculty of Physics and Applied Informatics, University of Lodz, ul. Pomorska 149/153, 90-236 Łódź, Poland
2. Department of Physics, University of Kalyani, Kalyani-741235, Nadia, West Bengal, India
3. Department of Molecular Physics (member of National Photovoltaic Laboratory, Poland), Lodz University of Technology, ul. Żeromskiego 116, 90-924 Łódź, Poland
4. Department of Solid State Physics (member of National Photovoltaic Laboratory, Poland), Faculty of Physics and Applied Informatics, University of Lodz, 149/153 Pomorska St., 90–236 Łódź, Poland