Dumith Jayathilaka completed his PhD degree in 2021 from the Mechanical Engineering department of the National University of Singapore. He was a research student at the Centre for Nanotechnology and Sustainability, National University of Singapore, and completed his PhD related to nanofiber-based flexible light-emitting devices. W.A.D.M. Jayathilaka received his bachelor’s honours degree in Mechanical Engineering in 2015 from the University of Moratuwa, Sri Lanka. His research interests focus on nanotechnology, CNT based composites, electroluminescence and material systems for light-emitting devices