| 摘要 |
The invention is a dye-sensitized solar cell which includes a working electrode having a porous titanium oxide layer on a conductive substrate capable of transmitting light, a counter electrode disposed so as to face the working electrode, a photosensitizing dye supported on the porous titanium oxide layer of the working electrode, and an electrolyte disposed between the working electrode and the counter electrode, in which the porous titanium oxide layer contains an anatase crystal-type titanium oxide composed of an anatase crystal and a rutile crystal-type titanium oxide composed of a rutile crystal, the porous titanium oxide layer includes a laminate consisting of a plurality of layers, an outermost layer disposed at a position farthest from the conductive substrate of the laminate contains the rutile crystal-type titanium oxide, at least one intermediate layer provided between the outermost layer and the conductive substrate in the laminate contains the anatase crystal-type titanium oxide, a first intermediate layer disposed at a position closest to the outermost layer of the at least one intermediate layer contains the anatase crystal-type titanium oxide and the rutile crystal-type titanium oxide, and a content of the rutile crystal-type titanium oxide in the outermost layer is greater than a content of the rutile crystal-type titanium oxide in the intermediate layer. |
