1. Department of Applied Chemistry; Indian Institute of Technology (Indian School of Mines) Dhanbad; 826004, Jharkhand India
2. Department of Chemistry; Indian Institute of Technology Hyderabad, Kandi, Sangareddy; 502285, Telangana India
3. Fachbereich Chemie und Wissenschaftliches Zentrum für Materialwissenschaften (WZMW); Philipps-Universität Marburg, Hans-Meerwein-Straße, 35032 Marburg, Germany.