1. Electro-Materials Research Laboratory, Centre for Nanoscience and Technology, Pondicherry University, Puducherry-605014, India
2. Center of Excellence in Advanced Materials and Green Technologies, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore-641112, India
3. Department of Physics and Astronomy, College of Science, King Saud University, P.O. Box 2455, Riyadh-11451, Saudi Arabia
4. School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea