1. Department of Chemistry Faculty of Science Universiti Malaya Kuala Lumpur Malaysia
2. Institute of Sustainable Energy Universiti Tenaga Nasional 43000 Kajang Malaysia
3. Center of Excellence for Research in Engineering Materials (CEREM) Deanship of Scientific Research (DSR) King Saud University Riyadh 11421 Saudi Arabia
4. Department of Mechanical Engineering Universiti Teknologi Petronas 32610 Seri Iskandar Malaysia
5. The Department of Chemistry, Faculty of Science The Islamic University of Madinah 42351 Madinah Saudi Arabia
6. Solar Energy Research Institute (SERI) Universiti Kebangsaan Malaysia 43600 Bangi Malaysia