8.高効率低温焼成色素増感太陽電池

概要

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In recent years, the dye-sensitized solar cell attracts attention as a future power generation element in respect of the high efficiency and the simple and cheap manufacture method of pressing a silicon solar cell. Recently, the producing method by low temperature sintering was examined for the purpose of expanding the use, and the efficiency about 5% has been attained. In this report, in order to produce by only drying or low temperature sintering to perform a titanium oxide films, it tried to use to ethylene glycol and ultra-fine particle titanium oxide TA-15 expected as a binder. Although it was satisfactory about mechanical adhesion, the functions of solar cell were not sufficiently obtained. In order to obtain the sufficient functions, TiCl_4 treatment was performed and the effect to solar cell characteristics was examined. It has been cleared that the use of TA-15 and the treatment of TiCl_4 leads only drying cells to low electric resistance of titanium dioxide and high transformation efficiency to electric power.