703 マイクロ表面構造による色素増感太陽電池の高効率化に関する研究(OS7 オーガナイズドセッション《精密/微細加工と評価》)

概要

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Dye-sensitized solar cell is a relatively newly developed low-cost solar cell. It is a photoelectrochemical system based on a semiconductor formed between a photo-sensitized anode and an electrolyte. Titanium dioxide, which is well known as one of the photocatalyst materials, is used as its semiconductor material in a form of nano-particles. In this study, it was investigated that the influence of surface micro-structures formed on transparent electrode, which is one of the constituent elements of a dye-sensitized solar cell, on the generating efficiency of dye-sensitized solar cell, because the increase in surface area of transparent electrode might bring an increase in light absorption. The surface micro-structures on the conductive transparent resin electrodes were fabricated by imprint lithography technique using fabricated mold with surface micro-structures. As a result, some improvement was observed in generating efficiency of developed solar cells.
2010-08-27