1. Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata - 700032, India
2. Instituto
de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Avenida da República, 2780-157 Oeiras Portugal
3. Institut
für Chemie und Biochemie, Freien Universität Berlin, Takustrasse
3, 14195 Berlin (Germany)
4. Institut Catala de Nanociencia i Nanotecnologia (ICN2), Edifici ICN2, Campus UAB, Cerdanyola del Valles 08193, Spain