1. Department of Chemical and Environmental Engineering (ChEE), Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia
2. School of Chemical Sciences, Universiti Sains Malaysia,USM Penang,Malaysia,11800
3. Clean Energy Research Centre, Korea Institute of Science and Technology,,Seoul,Korea, Democratic Peoples Republic of
4. Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia (UTM),Department of Chemical and Environmental Engineering (ChEE),,Kuala Lumpur,Malaysia,54100