1. Department of Physics, De La Salle University, Manila, Philippines
2. Advanced Nanomaterials Investigation by Molecular Simulations, De La Salle University, Manila, Philippines
3. School of Materials Engineering, Universiti Malaysia Perlis, Arau, Malaysia
4. Centre of Excellence for Biomass Utilization, Universiti Malaysia Perlis, Arau, Malaysia
5. Taiwan-Malaysia Innovation Center for Clean Water and Sustainable Energy, Arau, Malaysia
6. Academia Sinica, Institute of Physics, Taipei, Taiwan