1. Department of Chemical Engineering; COMSATS Institute of Information Technology; 54000 Lahore Pakistan
2. Department of Polymer Technology; Center for Engineering Sciences, Martin Luther University Halle-Wittenberg, D-06099 Halle (Saale); Germany
3. Department of Chemistry; Quaid-i-Azam University Islamabad; Islamabad 45320 Pakistan
4. Institut Für Chemie; Martin Luther University Halle-Wittenberg; Halle Saale D-06099 Germany
5. School of Chemical & Materials Engineering; National University of Sciences and Technology (NUST) H12; Islamabad