1. Dr. O. S. Ayanda, Dr. D. Malomo, Dr. K. O. Sodeinde, Prof. O. S. Lawal, O. T. Ebenezer; Nanoscience Research; Department of Industrial Chemistry; Federal University Oye Ekiti; P.M.B 373 Oye Ekiti Ekiti State Nigeria
2. Dr. O. S. Ayanda, Dr. S. M. Nelana, Prof. E. B. Naidoo; Department of Chemistry; Vaal University of Technology; Vanderbijlpark South Africa
3. Dr. E. A. Odo; Department of Physics; Federal University Oye Ekiti; Oye Ekiti Ekiti State Nigeria