1. Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
2. Center of Catalysis and Separation, Khalifa University of Science and Technology, Main Campus, Abu Dhabi, United Arab Emirates
3. Department of Physics, Khalifa University of Science and Technology, P. O. Box 127788, Abu Dhabi, United Arab Emirates
4. Department of Chemistry, Khalifa University of Science and Technology, P. O. Box 127788, Abu Dhabi, United Arab Emirates
5. Mechanical Engineering Department, Khalifa University of Science and Technology, Main Campus, P.O. Box 127788, Abu Dhabi, United Arab Emirates