METHODS FOR FORMING POROUS OXIDE COATING LAYER ON THE TIO2 PARTICLE SURFACE AND TIO2 POWDER AND FILM MANUFACTURED THEREFROM

摘要

The present invention relates to a method for enhancing the photoactive coating with a metal oxide layer having the nano-micro-pores of the nano-sized titanium dioxide particles or a membrane. The present invention is hydrated the step, the metal salt to provide a titanium dioxide powder in the step, the metal salt solution to provide a solution comprising a metal salt in the method of coating the porous oxide nanoparticle layer having the ultra-fine nano-pores in the titanium dioxide coating a hydrate on the surface of titanium dioxide powder and a method comprising the step of forming the oxide from the hydrate-coated on the titanium dioxide powder. According to the invention, the porous oxide coating layer formed by increasing the specific surface area of the titanium dioxide particles increases the amount of adsorption of water or dye molecules, and consequently improving the photocatalytic property naejineun dye-sensitized TiO ₂ of the fuel cell characteristics. ; Photocatalyst, dye-sensitized solar cells, porous, nanoporous titanium dioxide, Sat potek ticks phase transition