Nyamori, Vincent Onserio.Martincigh, Bice Susan.Kibet, Joshua K.Rono, Nicholas.2023-04-132023-04-1320232023https://researchspace.ukzn.ac.za/handle/10413/21413Doctoral Degree. University of KwaZulu-Natal, Durban.Abstract available in PDF.enSolar energy.Photovoltaic cells.Direct energy conversion.Photochemistry.An experimental study of graphitic carbon nitride-based materials and selected metal-based semiconductors in organic solar cells combined with a computational study of perovskite solar cells.Thesis