1. Catalysis and Nanomaterials Lab 27, Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
2. Department of Chemistry, Khalifa University, PO Box 127788, Abu Dhabi 00000, UAE
3. Advanced Materials Chemistry Centre (AMCC), SAN Campus, Khalifa University, PO Box 127788, Abu Dhabi 00000, UAE
4. Department of Physics, Khalifa University, PO Box 127788, Abu Dhabi 00000, UAE
5. Department of Chemistry, School of Natural Sciences (SNS), National University of Sciences and Technology (NUST), Islamabad 46000, Pakistan
6. Pakistan Academy of Sciences, 3-Constitution Avenue Sector G-5/2, Islamabad 46000, Pakistan