A photoelectric conversion element comprising: a first electrode; an electron-transporting layer; a photoelectric conversion layer; a hole-transporting layer; and a second electrode, where the electron-transporting layer, the photoelectric conversion layer, the hole-transporting layer, and the second electrode are sequentially disposed on the first electrode, wherein the photoelectric conversion layer includes a mixture of a P-type material and an N-type material, the P-type material is a compound represented by General Formula 1 below, the N-type material includes a mixture of C70 Fullerene Derivative A having a substituent represented by General Formula 2 below and C60 Fullerene Derivative B having a substituent identical to the substituent of C70 Fullerene Derivative A, and a mixing mass ratio (A:B) of C70 Fullerene Derivative A to C60 Fullerene Derivative B is from 5:95 through 30:70, where, in General Formula 1, n is an integer of from 1 through 3, Ra is an alkyl group having 4 through 12 carbon atoms, Rb is an oxygen atom including an alkyl group having 6 through 22 carbon atoms, a sulfur atom including an alkyl group having 6 through 22 carbon atoms, a carbon atom including an alkyl group having 6 through 22 carbon atoms, or a group represented by General Formula 5 below, and X is an oxygen atom or a dicyanomethylene group, where, in General Formula 5, R 3 and R 4 are each a hydrogen atom or an alkyl group having 6 through 12 carbon atoms, and R 5 is an alkyl group that has 6 through 22 carbon atoms and may be branched, where General Formula 2 represents a partial structure of a fullerene skeleton, and in General Formula 2, R 1 and R 2 are each independently an alkyl group, an alkyl group having a substituent, an aryl group, an aryl group having a substituent, or an alkoxycarbonyl group. a first electrode; an electron-transporting layer; a photoelectric conversion layer; a hole-transporting layer; and a second electrode, where the electron-transporting layer, the photoelectric conversion layer, the hole-transporting layer, and the second electrode are sequentially disposed on the first electrode, wherein the photoelectric conversion layer includes a mixture of a P-type material and an N-type material, the P-type material is a compound represented by General Formula 1 below, the N-type material includes a mixture of C70 Fullerene Derivative A having a substituent represented by General Formula 2 below and C60 Fullerene Derivative B having a substituent identical to the substituent of C70 Fullerene Derivative A, and a mixing mass ratio (A:B) of C70 Fullerene Derivative A to C60 Fullerene Derivative B is from 5:95 through 30:70, where, in General Formula 1, n is an integer of from 1 through 3, Ra is an alkyl group having 4 through 12 carbon atoms, Rb is an oxygen atom including an alkyl group having 6 through 22 carbon atoms, a sulfur atom including an alkyl group having 6 through 22 carbon atoms, a carbon atom including an alkyl group having 6 through 22 carbon atoms, or a group represented by General Formula 5 below, and X is an oxygen atom or a dicyanomethylene group, where, in General Formula 5, R 3 and R 4 are each a hydrogen atom or an alkyl group having 6 through 12 carbon atoms, and R 5 is an alkyl group that has 6 through 22 carbon atoms and may be branched, where General Formula 2 represents a partial structure of a fullerene skeleton, and in General Formula 2, R 1 and R 2 are each independently an alkyl group, an alkyl group having a substituent, an aryl group, an aryl group having a substituent, or an alkoxycarbonyl group.