1. Department of Chemistry , Faculty of Engineering & Technology, Chittagong University of Engineering & Technology , Chattogram 4349 , Bangladesh
2. Department of Chemistry , Faculty of Science, University of Chittagong , Chattogram 4331 , Bangladesh
3. Institute of Environmental Radioactivity, Fukushima University , 1 Kanayagawa , Fukushima 960-1296 , Japan
4. Research Centre for Crystalline Materials, School of Medical and Life Sciences, Sunway University , 47500 Bandar Sunway , Selangor Darul Ehsan , Malaysia