1. Department of Mechanical Engineering, Khalifa University of Science and Technology, Main Campus, Abu Dhabi 127788, UAE
2. Center for Catalysis and Separations, Khalifa University of Science and Technology, Main Campus, Abu Dhabi 127788, UAE
3. Department of Chemistry, Heterogeneous Catalysis Lab, University of Cyprus, 1 University Avenue, University Campus, 2109 Nicosia, Cyprus
4. Department of Chemistry, Khalifa University of Science and Technology, Main Campus, Abu Dhabi 127788, UAE
5. The Surface Analysis Laboratory, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 4DL, U.K.
6. Department of Physics, Khalifa University of Science and Technology, Main Campus, Abu Dhabi 127788, UAE
7. Research and Innovation Center on CO2 and H2 (RICH), and Chemical Engineering Department, Khalifa University, Abu Dhabi 127788, UAE
8. National Institute of Laser Enhanced Science, Cairo University, Giza 12613, Egypt