PROBLEM TO BE SOLVED: To provide a photoelectric conversion element, a dye-sensitized solar battery and a dye solution which are superior in photoelectric conversion efficiency.SOLUTION: A photoelectric conversion element comprises: a photosensitive layer of a photosensitive material having semiconductor fine particles supporting at least two kinds of metal complex dyes expressed by the following formulas (1) and (2) below. The content of the metal complex dye expressed by the formula (2) is 0.05-30% based on an areal ratio detected with a detection wavelength of 254 nm in a high performance liquid chromatography. A dye-sensitized solar battery comprises the photoelectric conversion element. A dye solution is used in manufacturing the photosensitive material. The formula (1) is M(L)(L)(NCS). The formula (2) is M(L)(L)(Cl) [Mand Mrepresent a ruthenium ion, Land Lrepresent a tridentate particular terpyridine ligand, and Land Lrepresent a bidentate ligand expressed by the formula (L2) (where Gis a particular gro
