Patent ID: 7887780
Filing Date: 2011-02-15
Classification: B82Y,C01G,C01P,H01G,H01L,Y02E,Y10S

Abstract:
1. A process for preparing titania nanorods for dye sensitized or quantum-dot nanoparticle sensitized solar cells, comprising: (a) slowly adding dropwise chilled distilled water to titanium tetrachloride (TiCl (b) adding basic solution the solution of titanium oxychloride to maintain pH of the titanium oxychloride solution within a range from 3.5 to 4, thereby providing a suspension of titanium oxyhydroxide (TiO(OH) (c) adding basic solution the suspension of titanium oxyhydroxide precipitate to adjust the suspension of titanium oxyhydroxide precipitate to be weakly basic, and heating and stirring the mixture at 80 to 100° C.; (d) isolating and collecting titanium oxyhydroxide from the heated and stirred suspension of titanium oxyhydroxide precipitate, and washing the collected titanium oxyhydroxide with a weakly basic aqueous solution; and (e) adding distilled water and 20 to 500 fold of hydrogen peroxide (H