1. College of Science and EngineeringHamad Bin Khalifa UniversityQatar Foundation 34110 Doha Qatar
2. Qatar Energy and Environment Research InstituteHamad Bin Khalifa UniversityQatar Foundation 34110 Doha Qatar
3. Department of Chemistry and Chemical EngineeringSBA School of Science and EngineeringLahore University of Management and Sciences, DHA Lahore 54792 Pakistan