1. Department of Electrical and Electronics Engineering, Birla Institute of Technology and Science Pilani, Hyderabad Campus, Hyderabad 500078, India
2. Department of Chemical Engineering and Materials Science, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
3. Department of Electrical and Electronics Engineering, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani 333031, India
4. Materials Center for Sustainable Energy and Environment, Birla Institute of Technology and Science Pilani, Hyderabad Campus, Hyderabad 500078, India