1. Division of Materials and Environmental Chemistry, Stockholm University, Svante Arrhenius väg 16 C, Stockholm, SE-10691, Sweden
2. Advanced Multifunctional Materials Laboratory, Department of Chemistry, Faculty of Science, Assiut University, Assiut, 71515, Egypt
3. Nanotechnology Research Centre (NTRC), The British University in Egypt (BUE), El-Shorouk City, Suez Desert Road, P.O. Box 43, Cairo 11837, Egypt