Development of practical high efficiency and quasi solid-state dye-sensitized solar cell modules

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In order to encourage a practical use of the dye-sensitized solar cell(DSC) that is expected to be an inexpensive solar cell, we have tried to improve its performances and to reduce its fabrication cost. As a result, we have succeeded to show a capability of great reduction in the fabrication cost by adopting the spraying technique in air for fabricating whole parts of the DSC. We have also developed the quasi-solid electrolyte without a decrease in performances of DSC, which will realize a long-term stability of the DSC. Furthermore, we have clarified an effectiveness of the light scattering layer to improve the performances of DSC.