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Abstract

A solar cell including a first electrode, a second electrode arranged opposite to the first electrode, an electron transport layer arranged between the first electrode and the second electrode, a dye layer D which is in contact with the electron transport layer, a hole transport layer arranged between the electron transport layer and the second electrode and being in contact with the dye layer D, and a barrier layer, and these elements are provided on a substrate. The barrier layer prevents or suppresses short-circuit between the first electrode and the hole transport layer. The porosity of the barrier layer is made smaller than that of the electron transport layer. The barrier layer is formed into a film-like shape and arranged between the first electrode and the electron transport layer. The solar cell can accomplish excellent photoelectric conversion efficiency by the provision of such a barrier layer.

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First Claim