1. Department of Physics, NIT Durgapur, Durgapur, India
2. Department of Electronics and Communication Engineering, NIT Durgapur, Durgapur, India
3. Department of Mechanical Engineering, NIT Durgapur, Durgapur, India
4. Department of Chemistry and the Department of Physics, Queen’s University, Kingston, Canada
5. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, Russia