| 摘要 |
<P>PROBLEM TO BE SOLVED: To enhance the photoelectric conversion efficiency of a dye-sensitized solar cell by: developing a material enhancing dye adsorptivity of the material itself without decreasing semiconductor characteristics; increasing the adsorption density of dye in addition to the effect of the specific surface area; and increasing the dye carrying amount on the light-receiving surface. <P>SOLUTION: Material production appropriately reflecting strict particle size control and the additive amount is made possible by conducting the synthesis of a composite material based on a metal alkoxide method, and composition or structure is precisely prepared according to a solvent or an adsorption object. A titanium oxide composite material such as phosphoric acid addition titanium oxide manufactured by this technique can enhance adsorptivity of dye or the like on the material surface without deactivation of material characteristics of the titanium oxide. By manufacturing a semiconductor electrode with the material, large amount of photo-responsibility substance such as dye can be retained on the surface, and photoelectric conversion efficiency of a dye-sensitized solar cell or the like can be enhanced. <P>COPYRIGHT: (C)2010,JPO&INPIT |
