1. Department of Chemical Engineering, National Institute of Technology, Rourkela 769008, India
2. Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland
3. Department of Science, School of Technology, Pandit Deendayal Petroleum University, Gandhinagar 382 007, Gujarat, India
4. Department of Physics & Astronomy, National Institute of Technology, Rourkela 769008, India
5. Department of Chemistry, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
6. Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
7. Department of Solar Energy, School of Technology, Pandit Deendayal Petroleum University, Gandhinagar 382 007, Gujarat, India