1. Institute of Macromolecules/LMCP, Federal University of Rio de Janeiro, Rua Moniz Aragão 360, bloco 8G/CT2, 21941-594 Rio de Janeiro, Rio de Janeiro, Brazil
2. Metallurgical and Materials Engineering Program/COPPE/LADPOL, Federal University of Rio de Janeiro, Av. Horácio Macedo, 2030, bloco F, 21941-598 Rio de Janeiro, Rio de Janeiro, Brazil
3. Nanotechnology Engineering Program/COPPE, Federal University of Rio de Janeiro, Av. Horácio Macedo 2030, bloco I, 21941-972 Rio de Janeiro, Brasil
4. Petrobras Research and Development Center, CENPES, Av. Horárico Macedo, 950, 21941-915 Rio de Janeiro, Rio de Janeiro, Brazil