1. School of Chemistry and Chemical Engineering, Queen’s University Belfast, David-Keir Building, Stranmillis Road, Belfast BT9 5AG, UK
2. Department of Chemistry, Kaduna State University, Tafawa Balewa Way, Kaduna 800001, Kaduna State, Nigeria
3. Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, Via Branze, 43, 25123 Brescia, Italy