1. Department of Chemistry, Faculty of Science, University of Peradeniya, Peradeniya, 20400, Sri Lanka
2. School of Natural and Environmental Sciences, Newcastle University, Newcastle Upon Tyne NE1 4LB, UK
3. Advanced Nanomaterials for Clean Energy and Health Applications, Faculty of Engineering and Science, Western Norway University of Applied Sciences, Campus Bergen, Kronstad, Bergen, D412, Norway