1. Department of PG Chemistry, Aditanar College of Arts and Science, Tiruchendur, Tamil Nadu, India
2. Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, Kerala, India
3. Department of Chemistry, Annamalai University, Annamalainagar, Tamil Nadu, India