1. Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
2. The National Institute of Chemistry, Hajdrihova ulica 19, SI-1000 Ljubljana, Slovenia
3. Laboratory of Advanced Carbon Nanomaterials, Kazan Federal University, Kremlyovskaya Street 18, Kazan420008, Russian Federation
4. Advanced Imaging Core Facility, Skolkovo Institute of Science and Technology, 121205 Moscow, Russian Federation
5. Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia