1. Department of Science and Humanities, Karpagam Academy of Higher Education, Coimbatore 641 021, India
2. Centre for Energy and Environment, Karpagam Academy of Higher Education, Coimbatore 641 021, India
3. Department of Science and Humanities, Karpagam College of Engineering, Coimbatore 641 032, India
4. Department of Physics, Karpagam Academy of Higher Education, Coimbatore 641 021, India
5. School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Republic of Korea
6. Department of Mechanical Engineering, Keimyung University, Daegu 42601, Republic of Korea