1. Departamento
de Química, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Dean Funes 3350, CP 7600 Mar del Plata, Argentina
2. Institut
für Technische Chemie, Leibniz Universität Hannover, Callinstraße
3, D-30167 Hannover, Germany
3. Laboratory
for Nanocomposite Materials, Department of Photonics, Faculty of Physics, Saint-Petersburg State University, Ulianovskaia Street 3, Peterhof, Saint Petersburg 198504, Russia