1. Department of Chemistry; B. S. Abdur Rahman University, Vandalur; Chennai- 600 048 India.
2. Department of Chemistry; National Taiwan University and Institute of Atomic and Molecular, Sciences Academia Sinica; Taipei 106 Taiwan.
3. Department of Chemistry & Computational Chemistry Laboratory; Loyola Institute of Frontier Energy (LIFE), Loyola College; Chennai - 600 034, Tamil Nadu India
4. National Centre for Ultrafast Processes; University of Madras, Taramani Campus; Chennai - 600 113, Tamil Nadu India.