NOVELTY - The dye-sensitized solar cell (1) comprises a first electrode (5) comprising a conductive substrate (2), a semiconductor material layer and a photosensitizer, an electrolyte, and a second electrode. The semiconductor material layer comprises: a composite semiconductor material layer including composite semiconductor materials, which comprise first semiconductor material particles and inorganic particulates on surfaces of the first semiconductor material particles; and a second semiconductor material layer (6) including second semiconductor materials.    USE - Used as a dye-sensitized solar cell.    ADVANTAGE - The dye-sensitized solar cell is capable of increasing an adsorption amount of photosensitizers without increasing the thickness of the semiconductor material layer thus enhancing the photoelectric conversion efficiency, is less expensive, and has improved performance.    DETAILED DESCRIPTION - The dye-sensitized solar cell (1) comprises a first electrode (5) comprising a conductive substrate (2), a semiconductor material layer and a photosensitizer, an electrolyte, and a second electrode. The semiconductor material layer comprises: a composite semiconductor material layer including composite semiconductor materials, which comprise first semiconductor material particles and inorganic particulates on surfaces of the first semiconductor material particles; and a second semiconductor material layer (6) including second semiconductor materials, which comprise second semiconductor material particles having a particle size of 10-80 nm. The composite semiconductor materials have a surface area of 20-60 m2/g, and a particle size of 100-400 nm. A ratio of a particle size of the inorganic particulates to that of the first semiconductor material particles is less than 1/2, where the inorganic particulates have a particle size of 5-50 nm.    DESCRIPTION OF DRAWING(S) - The diagram shows a schematic structural view of a dye-sensitized solar cell.    Dye-sensitized solar cell (1)    Conductive substrate (2)    Conducting layer (4)    First electrode (5)    Second semiconductor material layer. (6)