1. Department of Chemistry, CHRIST (Deemed to be University), Bengaluru 560 029, Karnataka, India
2. Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
3. Analytical and Spectroscopy Division, ASCG/PCM, Vikram Sarabhai Space Center, Indian Space Research Organisation, Thiruvananthapuram, 695022, Kerala, India