1. Department of Chemistry, PSG College of Technology, Coimbatore, India
2. Department of Chemistry, MPNMJ Engineering College, Erode, India
3. Department of Chemistry, N.G.M.College, Pollachi, India
4. School of Environmental Sciences, Bharathiar University, Coimbatore, India
5. Quantum Functional Semiconductor Research Centre (QSRC), Dongguk University-Seoul, Republic of Korea