▎ 摘　　要

NOVELTY - Visible light response photo-catalyst material comprises 3-25 pts. wt. nano titanium dioxide, 1-20 pts. wt. nano zinc oxide, 1-20 pts. wt. nano silver, 2-10 pts. wt. nano silver, 0.5-6 pts. wt. graphene, 1-5 pts. wt. natural plant extracting liquid, 0.2-4.5 pts. wt. formaldehyde capture agent, 0.3-5 pts. wt. additive, 1.5-6.5 pts. wt. dispersant and 300-650 pts. wt. deionized water. USE - Used as visible light response photo-catalyst material. ADVANTAGE - The material has high photocatalytic activity in the visible light region, and has a wide range of applications. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the material comprising (a) accurately weighing graphene, dispersant and de-ionized water, dividing the de-ionized water into two parts, adding the graphene and dispersant to a part of de-ionized water, stirring for 30-60 minutes at 300-500 revolutions/minute to make it mix uniformly, obtaining solution S1, (b) accurately weighing anatase nano-titanium dioxide, nano-zinc oxide and nanosilver doped with copper, adding the copper-doped nano zinc oxide and nano-silver into the solution S1, stirring 20-40 minute at 700-1000 revolutions/minute to obtain the solution S2, (c) adding the natural plant extract, formaldehyde capture agent, additive, the rest deionized water to the solution S2, continuously stirring for 30-60 minutes at 700-1000 revolutions/minute to obtain solution S3 and (d) dispersing the above solution by ultrasonic dispersion machine for 60-120 minutes to obtain the photocatalyst material.