1. Department of Chemistry, Kulliyyah of Science , International Islamic University Malaysia (IIUM) , Jalan Sultan Ahmad Shah, 25200 Bandar Indera Mahkota, Kuantan , Pahang , Malaysia
2. Department of Chemistry , University of Malaya , 50603 Kuala Lumpur , Malaysia
3. Department of Physics , Bhavan’s Sheth R. A. College of Science , Ahmedabad, Gujarat 380001 , India
4. Research Centre for Crystalline Materials, School of Science and Technology , Sunway University , 47500 Bandar Sunway , Selangor Darul Ehsan , Malaysia