1. Leibniz-Institut für Katalyse e.V Albert-Einstein-Straße 29A 18059 Rostock Germany
2. Chemical and Material Science Division CSIR - Indian Institute of Petroleum Haridwar road Mohkampur, Dehradun 248005 India
3. Chemistry Department College of Science Jouf University P.O. Box: 2014 Sakaka Kingdom of Saudi Arabia.
4. King Abdulaziz City for Science and Technology P.O. Box 6086 Riyadh 1442 Kingdom of Saudi Arabia.