1. Engineering of Energy, Campus of Rosana, São Paulo State University (UNESP), 192740-000 Rosana, São Paulo, Brazil.
2. Sensors and Biosensors Group, Department of Chemistry, Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra, Barcelona, Spain.
3. Department of Physics and Materials Science, University of São Paulo, 13566-590 São Carlos, São Paulo, Brazil.
4. CEFITEC, Physics Department, Faculty of Science and Technology, Universidade Nova de Lisboa, Campus de Caparica, 2829-516, Caparica, Portugal.
5. Engineering of Energy, Campus of Rosana, São Paulo State University (UNESP), 192740-000 Rosana, São Paulo, Brazil;