1. ChECA IKohza, Dept. Environmental & Green Technology (EGT), Malaysia Japan International Institute of Technology (MJIIT), University Technology Malaysia (UTM), Kuala Lumpur, Malaysia
2. Department of Human Intelligence Systems, Graduate School of Life
Science and Systems Engineering, Kyushu Institute of Technology (Kyutech), Kitakyushu 808-0196, Japan
3. Nanotechnology & Catalysis Research Centre (NANOCAT), IPS Building, University of Malaya, 50603 Kuala Lumpur, Malaysia
4. NANO-SciTech Centre, Institute of Science, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia