1. IFW-Dresden, Helmholtz Strasse 20, D-01171 Dresden, Germany
2. Centre
of Polymer and Carbon Materials, Polish Academy of Sciences, ul. M. Curie-Sklodowskiej 34, Zabrze, PL-41-819 Zabrze, Poland
3. College
of Chemistry and Molecular Science, Wuhan University, Wuhan, 430072, China
4. Center
for Nanochemistry (CNC), Beijing Science and Engineering Center for
Nanocarbons, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
5. Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstraße 12, A-8700 Leoben, Austria
6. Department
Materials Physics, Montanuniversität Leoben, Jahnstraße
12, A-8700 Leoben, Austria