1. Postgraduate Institute of Science University of Peradeniya 20400 Peradeniya Sri Lanka
2. Department of Chemistry Gauhati University Guwahati 781014 Assam India
3. Faculty of Chemistry University of Warsaw 1 Pasteura Street 02–093 Warsaw Poland
4. Sri Lanka Institute of Nanotechnology Pitipana 10200 Homagama Sri Lanka
5. Department of Chemistry University of Peradeniya 20400 Peradeniya Sri Lanka
6. Department of Chemical & Process Engineering, Faculty of Engineering University of Peradeniya 20400 Peradeniya Sri Lanka