Disclosed is a long-lasting organic photoelectric conversion element (100) provided with a first electrode (2), an active layer (3) that can produce charge from incident light, a second electrode (4), and a barrier layer (6), in that order. The barrier layer (6) is provided with an inorganic layer (7) that contains an inorganic material and an organic layer (8) that contains an organic material. The inorganic layer (7) and/or the organic layer (8) is capable of blocking ultraviolet light.