1. Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland
2. School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
3. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
4. School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
5. Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznań, Poland