| 摘要 |
A photovoltaic cell having a transparent first substrate ( 61 ) having semiconductor electrodes ( 7 ) supporting a photosensitizing dye, a second substrate ( 62 ) having counter electrodes ( 4 ) disposed so as to face the semiconductor electrodes ( 7 ), and an electrolyte layer disposed between the semiconductor electrode ( 7 ) and the counter electrode ( 4 ); the electrolyte layer ( 1 ) being sealed by a sealing member ( 2 ) lying between the first substrate ( 61 ) and the second substrate ( 62 ); the first substrate ( 61 ), the second substrate ( 62 ) and the sealing member ( 2 ) being formed of similar materials, and the portions of the first substrate and the second substrate that are in contact with the sealing member ( 2 ) being ultrasonically welded to the sealing member. This photovoltaic cell can maintain excellent cell performance for a long time.
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