1Center for Advanced Materials, Qatar University, Doha 2713, Qatar
2Chemical Engineering Department, Ahmadu Bello University, Zaria, Nigeria
3Center of Excellence in Renewable Energy, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
4Hefei National Laboratory for Physical Sciences at Microscale, School of Chemistry and Material Sciences, University of Science and Technology of China, Hefei 230026, PR China