1. Department of Chemistry, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka
2. Instrument Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka
3. Department of Chemistry, Faculty of Science, University of Peradeniya, Peradeniya 20400, Sri Lanka
4. Center for Advanced Materials Research (CAMR), Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila 10250, Nugegoda, Sri Lanka