1. Chemical Research Division Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhanmondi Dhaka 1205 Bangladesh
2. Department of Chemistry Memorial University of Newfoundland St. John's Newfoundland and Labrador A1B 3X7 Canada
3. Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhanmondi Dhaka 1205 Bangladesh
4. Department of Chemistry University of Dhaka Dhaka 1000 Bangladesh
5. Cyprus University of Technology Limassol 3036 Cyprus