1. Brazilian Synchrotron Light Laboratory (LNLS), National Center for Research in Energy and Materials (CNPEM) CP 6154, CEP 13083-970 Campinas, São Paulo, Brazil
2. Institute of Chemistry, University of Campinas (UNICAMP), CP 6154, CEP 13083-970 Campinas, São Paulo,Brazil
3. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Faultad de Ciencias Exactas, Universidad Nacional de La Plata—CONICET, 64 y Diag. 113, 1900 La Plata, Argentina
4. Brazilian Nanotechnology National Laboratory (LNNano), National Center for Research in Energy and Materials (CNPEM) CP 6154, CEP 13083-970 Campinas, São Paulo, Brazil