A photovoltaic device and a method for producing it are proposed, wherein the photovoltaic device has at least two semiconductor layers and wherein the first semiconductor layer has defects such as pores, cracks or fine holes, wherein the semiconductor layers are formed in substrate configurations successively on a first base metallic contact electrode of a flexible carrier layer, and wherein the defects of the first semiconductor layer are filled by means of cathodic deposition and by means of a reducing electropolymerization of an electrical insulator, and wherein a high selectivity of the filling is ensured.