1. Molecular Spectroscopy Laboratory, Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748 - Butantã, 05508-000 São Paulo, Brazil
2. Lamellar Solids Laboratory, Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes, 748 - Butantã, 05508-000 São Paulo, Brazil