Thin film solar cells based on the ternary compound Cu2SnS3

► Fabrication of a pn-junction based thin film solar cell based on Cu2SnS3. ► Electro-optical properties of the Cu2SnS3 based solar cell and its limits. ► The potential of Cu2SnS3 based solar cells in terms of its photovoltaic application. ► Structural, morphological, and optical properties of a Cu2SnS3 thin film.