1. Department of Chemistry School of Natural Sciences National University of Sciences and Technology Islamabad 44000 Pakistan
2. Interdisciplinary Research Center for Membranes and Water Security King Fahd University of Petroleum and Minerals Dhahran 31261 Saudi Arabia
3. Department of Chemistry Allama Iqbal Open University Islamabad 44000 Pakistan
4. Materials Research Department GSI Helmholtzzentrum für Schwerionenforschung Planckstrasse 1 D-64291 Darmstadt Germany
5. Fachbereich Material- und Geowissenschaften Fachgebiet Materialanalytik Technische Universität Darmstadt Alarich-Weiss-Str. 2 D-64287 Darmstadt Germany
6. Core Research Facilities King Fahd University of Petroleum and Minerals Dhahran 31261 Saudi Arabia
7. Nanosciences and Technology Division National Centre for Physics QAU Campus Shahdra Valley Road, P.O. Box 2141 Islamabad 44000 Pakistan
8. Synchrotron-Light for Experimental Science and Applications in the Middle East (SESAME) P.O. Box 7 Allan 19252 Jordan