1. Department of Chemistry, Universidade Federal do Parana (UFPR), CP 19081, CEP 81531-990, Curitiba, PR, Brazil
2. Mackenzie Institute for Research in Graphene and Nanotechnologies – MackGraphe, Mackenzie Presbyterian University, CEP 01302-907, São Paulo, Brazil
3. School of Engineering, Mackenzie Presbyterian University, CEP 01302-907, São Paulo, Brazil
4. Department of Engineering, Physics and Mathematics, Institute of Chemistry, São Paulo State University – Araraquara, (Universidade Estadual Paulista, UNESP), Brazil