1. Department of Chemistry, Alfaisal University, Riyadh, Saudi Arabia
2. Graphene & Advanced 2D Materials Research Group (GAMRG), School of Engineering and Technology, Sunway University, No. 5, Jalan Universiti, Bandar Sunway, 47500, Petaling Jaya, Malaysia
3. Radiation Processing Technology Division, Malaysian Nuclear Agency, Bangi, Malaysia
4. School of Distance Education, Universiti Sains Malaysia, George Town, Malaysia
5. Department of Science, School of Technology, Pandit Deendayal Petroleum University, Knowledge Corridor Raisan Village, Gandhinagar, India
6. Department of Chemical Engineering, Xiamen University Malaysia, Sepang, Malaysia
7. Petroleum, and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Brunei Darussalam