The photoinduced charge separation between a photosensitizer, 5,10,15,20-tetrakis-(N-methyl-pyridinium-4-yl)21H,23Hporphyrin cation (TMPyP4+), and an electron acceptor, methyl viologen (MV2+), intercalated in the different layer sheets of titanoniobate (TiNbO5-) and successively cast on a SiO2 glass slide has been investigated. Illumination of TMPyP4+ with light of >420 nm initiated the donation of an electron through the conduction bands of the TiNbO5- layers, yielding a one-electron reduced acceptor (MV+) isolated from the one-electron oxidized TMPyP4+ by the titanoniobate layers. The stacked lamella structure of the thin films consisting of TiNbO5- hybrids with TMPyP4+ and MV2+ was also examined.