1. Nanotechnology
Research Center, Research Institute of Petroleum Industry (RIPI), Post Office Box 14665-1998, Tehran, Iran
2. Department
of Petroleum Engineering, Islamic Azad University, Omidieh Branch, Omidieh, Iran
3. Department
of Chemistry, Islamic Azad University, Robatkarim Branch, Robatkarim, Iran
4. Department
of Petroleum Engineering, Petroleum University of Technology, Ahwaz, Iran