1. Department of Chemistry Quaid‐i‐Azam University Islamabad Islamabad 45320 Pakistan
2. MOE Key Laboratories of Bioinorganic and Synthetic Chemistry School of Chemistry and Chemical Engineering Sun Yat‐sen University Guangzhou 510275 China
3. Nanoscience and Technology Department National Centre for Physics Islamabad 45320 Pakistan
4. Department of Chemistry College of Science University of Bahrain Sakhir 32038 Bahrain