Dye-sensitized solar cell
View Patent ↗There is provided a tandem-type dye-sensitized solar cell having a novel structure whereby optical absorption efficiency is improved and which can be manufactured at low cost. A dye-sensitized solar cell 10 comprises an anode substrate 12 , a first dye-carrying porous oxide semiconductor layer 14 , an electrolytic solution layer 16 a , a porous support layer 18 , a second dye-carrying porous oxide semiconductor layer 20 , an electrolytic solution layer 16 b , and a cathode substrate 22 , arranged in order from an optical incidence side. The porous support layer 18 supports an iodine redox catalyst layer 19 . Electrons derived by a conductor from a conductor layer 12 b are introduced to the cathode substrate 22 , thereby configuring, for example, a battery circuit for lighting purposes.
1. A dye-sensitized solar cell comprising:
an anode substrate;
a first dye-carrying porous oxide semiconductor layer;
a first electrolytic solution layer having an electrolytic solution;
an iodine redox catalyst layer;
a porous support layer;
a second dye-carrying porous oxide semiconductor layer;
a second electrolytic solution layer having the electrolytic solution: and
a cathode substrate,
arranged in order from an optical incidence side, wherein mobilization of the electrolytic solution between the first and second electrolytic solution layers is secured.
2. The dye-sensitized solar cell according to claim 1 , wherein a conductor layer composing the anode substrate includes a porous conductive metal layer.
3. The dye-sensitized solar cell according to claim 1 . wherein a dye carried by the second dye-carrying porous oxide semiconductor layer has an optical absorption wavelength longer than the optical absorption wavelength of a dye carried by the first dye-carrying porous oxide semiconductor layer.