1. PG and Research Department of Chemistry, Government Arts College (Affiliated to Bharathidasan University), Tiruchirappalli, 620 022, Tamil Nadu, India
2. Department of Chemistry, SRM TRP Engineering College, Tiruchirappalli, 621 105, Tamil Nadu, India
3. Department of Physics, Saveetha Engineering College, Thandalam, Chennai-602 105, India
4. Centre for Nanoscience and Technology, Anna University, Chennai, 600025, Tamil Nadu, India
5. Department of Materials Science and Engineering, Hongik University, 2639-Sejong-ro, Jochiwon-eup, Sejong-City, 30016, South Korea