1. Graphene Labs, Istituto Italiano di Tecnologia, via Morego 30, 16163 Genova, Italy
2. BeDimensional Spa, via Albisola 121, 16163 Genova, Italy
3. Materials Characterization Facility, Istituto Italiano di Tecnologia, via Morego 30, 16163 Genova, Italy
4. Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic