S-1 Visible-Light Mediated Photodynamic Water Disinfection @ Bimetallic Doped Hybrid Clay Nanocomposites Chidinma G. Ugwuja 1,2 , Olawale O. Adelowo 3 , Aemere Ogunlaja 1,4 , Martins O. Omorogie 1,2 , Olumide D. Olukanni 1,2 , Odion O. Ikhimiukor 3 , Ievgeniia Iermak 5 , Gabriel A. Kolawole 1,2,6 , Christina Guenter 7 , Andreas Taubert 8 , Olusola Bodede 9 , Roshila Moodley 9 , Natalia M. Inada 5 , Andrea S.S. de Camargo 5 , Emmanuel I. Unuabonah 1,2,5* 1 African Centre of Excellence for Water and Environmental Research (ACEWATER), Redeemer’s University, PMB 230, Ede, Osun State, Nigeria 2 Department of Chemical Sciences, Redeemer’s University, PMB 230, Ede, Osun State, Nigeria 3 Department of Microbiology, University of Ibadan, Ibadan 4 Department of Biological Sciences, Redeemer’s University, P.M.B 230, Ede, Osun State, Nigeria 5 São Carlos Institute of Physics, University of São Paulo, Av. Trabalhador Sãocarlense 400, 13566-590, São Carlos, Brazil 6 Department of Chemistry, University of Zululand, Kwadlangezwa, 3886, Republic of South Africa 7 Institute of Geosciences, University of Potsdam, D-14476 Potsdam, Germany 8 Institute of Chemistry, University of Potsdam, D-14476 Potsdam, Germany 9 School of Chemistry and Physics, University of KwaZulu-Natal, Westville Campus, Durban, South Africa Corresponding Author E. I. Unuabonah E-mail: unuabonahe@run.edu.ng Tel: +2348053145971