1. Mechanical Engineering Department, Universiti Tenaga Nasional (UNITEN), Kajang, Malaysia
2. Graphene and Advanced 2D Materials Research Group (GAMRG), School of Engineering and Technology, Sunway University, Subang Jaya, Selangor, Malaysia
3. Sustainable Energy Materials Lab, School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 21 Brisbane, Queensland 4001, Australia
4. Institute of Power Engineering, Universiti Tenaga Nasional, Kajang, Selangor, Malaysia
5. Sunway Materials Smart Science & Engineering Research Cluster (SMS2E), Sunway University, Subang Jaya, Selangor, Malaysia