1. Department of Chemistry, University College of Science, University of Calcutta, 92, A. P. C. Road, Kolkata 700 009, India
2. Department of Chemistry, Taki Government College, Taki, Hasnabad, West Bengal 743429, India
3. Departament de Química Inorgànica i Orgànica and Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona (UB), Martí iFranqués 1-11, Barcelona 08028, Spain
4. Rani Rashmoni Green University, Tarakeswar, Hooghly 712410, West Bengal, India