1. Laser Research Group, Department of Physics; King Fahd University of Petroleum and Minerals (KFUPM); P.O. Box 5047 Dhahran 31261 Saudi Arabia
2. Center of Research Excellence in Nanotechnology (CENT); KFUPM; Dhahran Saudi Arabia
3. Polymer Engineering Department; University of Engineering and Technology (UET); Lahore Pakistan
4. Center of Research Excellence in Renewable Energy (CoRERE); KFUPM; Dhahran Saudi Arabia