| abstract |
The invention discloses AZO/NaCl composite modified TiO 2 High-efficiency photocatalyst and preparation method thereof, and TiO 2 The photocatalyst has a particle size of 5-7 nm, and the AZO nano-powder has a particle size of 17-25nm, and has high crystallinity. The method utilizes AZO composite modification, double electric layer action of Na ions and Cl ions and steric hindrance action of emulsion to prepare TiO 2 The photocatalyst surface can form a composite photocatalyst with high carrier transmission performance and high catalytic performance, and the photocatalyst prepared by the method has good visible light photocatalytic performance; the preparation method does not need acid-base neutralization, modification and shearing, and has the characteristics of simple process, low cost, short preparation period, environmental friendliness and the like. Under the visible light, the photocatalyst can be used in the fields of efficiently removing formaldehyde, degrading benzene and derivatives thereof and the like, can also be used for other air purification, environmental protection and the like, and has good application prospect. |