Mathew Sunil received the M.Sc degree from Mahatma Gandhi University Kottayam in 2019. He is currently a PhD candidate under the supervision of Prof. Honey John and Assoc Prof. Saji K. J. at Cochin University of Science and Technology, India. His research interests centre around nanotechnology, fabrication, and development of triboelectric nanogenerators, energy harvesting, and self-powered sensing applications.