1. Interdisciplinary Institute of Sciences, Universidad del Quindío, Carrera 15 Calle 12 Norte, 630001 Armenia, Colombia. Electronic Instrumentation Technology Program Universidad del Quindío P. O. Box 661 Armenia Colombia
2. Center of Excellence on Novel Materials (CENM) and Department of Physics Universidad del Valle, P. O. Box 25157 Cali Colombia
3. Center of Excellence on Novel Materials and Department of Physics Universidad del Valle P. O. Box 25157 Cali Colombia
4. Department of Chemistry and Department of Computer Science University of Toronto Toronto ON M5S 3H6 Canada
5. Institute of Materials for Electronics and Energy Technology (i-MEET) Friedrich-Alexander-Universität Erlangen-Nürnberg Martensstrasse 7 91058 Erlangen Germany
6. Institute of Materials for Electronics and Energy Technology (i-MEET) Friedrich-Alexander-Universität Erlangen-Nürnberg, Energy Campus Nürnberg Fürther Straße 250 90429 Nürnberg Germany
7. Forschungszentrum Jülich GmbH Helmholtz-Institut Erlangen-Nürnberg for Renewable Energy (IEK-11) Immerwahrstraße 2 91058 Erlangen Germany
8. Interdisciplinary Institute of Sciences Universidad del Quindío Carrera 15 Calle 12 Norte 630001 Armenia Colombia
9. Center of Excellence on Novel Materials (CENM) and Department of Physics Universidad del Valle P. O. Box 25157 Cali Colombia