1. Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur 208016 India
2. Department Of Chemistry; Institute of Infrastructure Technology Research and Management; Near Khokhara Circle, Maninagar East Ahmedabad 380026 India
3. Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
4. Department of Molecular Theory and Spectroscopy; Max-Planck Institute for Chemical Energy Conversion; Stiftstr 34-36 45470 Mülheim an der Ruhr Germany
5. Institute of Advanced Materials, Physicochemical Processes, Nanotechnology and Microsystems; NCSR Demokritos; 15310 Ag. Paraskevi Attiki Greece
6. National Institute of Science Education and Research; Institute of Physics Campus, Sachivalaya Marg, PO: Sainik School; Bhubaneswar 751 005, Orissa India