The authors acknowledge the CENN Nano-center for the use of the AFM Raman Imaging microscope for conducting the Raman analysis and CEMM Centre for the SEM microscopy. The work was performed under the framework of PEGASUS (Plasma Enabled and Graphene Allowed Synthesis of Unique Nanostructures) project, funded by the European Union’s Horizon Research and Innovation Program under Grant agreement No. 766894. This study was partially supported also by JSPS, MESS and ARRS under the Japan-Slovenia Research Cooperative Program grants to U.C., M.H. and H.K. The authors want to thank HZB for the allocation of synchrotron radiation beam time at Bessy II via projects 17205612ST/R, 17206156ST, 18106986ST, 191-07892-ST/R and 191-08281 ST/R as well as Calypso. （Plasma Enabled and Graphene Allowed Synthesis of Unique Nanostructures）