1. Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, SP 13083-100, Brazil
2. Faculty of Pharmaceutical Sciences, Federal University of Alfenas, Alfenas, MG 37130-001, Brazil
3. Universidade Estadual de Campinas, Instituto de Física Gleb Wataghin, Campinas, SP 13083-859, Brazil
4. John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
5. Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, Strasbourg 67000, France