1. Department of Physics, Saiva Bhanu Kshatriya College, Aruppukkottai, India
2. P.G. and Research Department of Physics, Government Arts College, Melur, India
3. Department of Chemical Engineering (Integrated Engineering), College of Engineering, Kyung Hee University, Yongin, Gyeonggi, South Korea
4. Center for the SMART Energy Platform, College of Engineering, Kyung Hee University, Yongin, Gyeonggi, South Korea