Glass fiber filter element for visible light photocatalysis and air purification and preparation method thereof

A glass fiber filter element for visible light photocatalysis and air purification, comprising:

• 4 to 7 wt % of nanoparticles comprising at least one selected from zinc oxide, graphene oxide, titanium oxide, and reduced graphene oxide,
• 2 to 7 wt % of silver nanowires,
• 3 to 12 wt % of an adhesive system, and
• 78 to 91 wt % of a glass fiber mat,
• based on a total weight of the glass fiber filter element,
• wherein the glass fiber mat is made of at least two glass fibers with different diameters, and the diameters are in a range of 0.15 to 3.5 μm, the nanoparticles have a particle size from 1 to 200 nm, and the silver nanowires have a diameter of 15 to 50 nm, and
• wherein the glass fiber mat has a three-dimensional network porous structure, and the glass fibers with different diameters are mutually interlaced.