| abstract |
【Task】 A method for making a visible light photocatalyst is provided, the method comprising doping iron into a titanium dioxide nanocrystal to prepare an iron-doped nanocrystal, washing the iron-doped nanocrystal with an acid to acid-washed iron-doped titanium dioxide nanocrystal. Producing crystals, and rinsing the acid-washed iron-doped titanium dioxide nanocrystals to remove acid residues, thereby providing a visible light photocatalyst. This photocatalyst is also provided, and a method of using the photocatalyst for improvement is also provided. [Selection figure] None |