1. Department of Chemical Engineering; King Fahd University of Petroleum & Minerals; Dhahran 31261 Saudi Arabia
2. Center for Engineering Research (CER), King Fahd University of Petroleum & Minerals; Dhahran 31261 Saudi Arabia
3. Center for Research Excellence in Nanotechnology (CENT), King Fahd University of Petroleum & Minerals; Dhahran 31261 Saudi Arabia
4. Center for Advanced Materials, Qatar University; Doha Qatar