A dye-sensitized solar cell with high photoelectric conversion efficiency and excellent durability is provided.The dye-sensitized solar cell comprises a photoelectrode and a counter electrode that are disposed opposite to each other via an electrolyte layer; (1) the photoelectrode comprising a metal titanium material or titanium alloy material, and a semiconductor layer formed on the metal titanium material or titanium alloy material, the semiconductor layer containing a dye sensitizing agent; (2) the counter electrode comprising a metal titanium material or titanium alloy material coated with an electrochemical-reduction catalyst layer; (3) a light irradiation means being disposed between the photoelectrode and the counter electrode.