1. Department of Chemistry, Farook College, Kozhikode 673632, Kerala, India
2. Post Graduate and Research Department of Chemistry, Maharaja’s College, Ernakulam 682011, Kerala, India
3. Department of Chemistry, Madras Christian College (Autonomous), (Affiliated to the University of Madras), Chennai 600059, India
4. Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore