1. Solid-Biological Interface Group (SolBIN), Department of Physics, Federal University of Ceará, Fortaleza, Ceará 60455-900, Brazil
2. Brazilian Laboratory of Nanotechnology, Centro Nacional de Pesquisa em Energia e Materiais - CNPEM, Campinas, São Paulo 13083-100, Brazil
3. Department of Environmental Engineering Sciences, Engineering School of Sustainable Infrastructure & Environment, University of Florida, Gainesville, Florida 32611-6580, United States
4. Advanced Functional Materials Laboratory (LaMFA), Department of Physics, Federal University of Ceará, Fortaleza, Ceará 60455-900, Brazil
5. Ilum School of Science, Centro Nacional de Pesquisa em Energia e Materiais - CNPEM, Campinas, São Paulo 13087-548, Brazil