1. Department of Chemistry, The Bhawanipur Education Society College, 5, Lala Lajpat Rai Sarani, Kolkata, Kolkata 700020, India
2. Department of Physics, Jadavpur University, Jadavpur, Kolkata 700032, India
3. Central Chemical Laboratory, Geological Survey of India, 15A & B Kyd Street, Kolkata, Kolkata 700016, India
4. Department of Chemistry, Chandernagore College, Hooghly, West Bengal 712136, India
5. Department of Chemistry, Serampore College, Serampore City, West Bengal 712201, India
6. Departament de Química, Universitat de les Illes Balears, Crta. de Valldemossa km 7.5, 07122 Palma de Mallorca (Baleares), Spain
7. Department of Chemistry, Jadavpur University, Jadavpur, Kolkata 700032, India