▎ 摘　　要

NOVELTY - The preparation of activated carbon fibers loaded photocatalytic material, involves using homemade tungsten trioxide and graphene oxide as raw materials, tetrabutyl titanate is titanium source, acetic acid, polyethylene glycol as hydrolysis inhibitor and surfactant, polyvinylpyrrolidone as linker and loading with activated carbon fiber, mixing tetrabutyl titanate with absolute ethanol to obtain solution (A), ultrasonically vibrating, adding silver nitrate powder, adding glacial acetic acid solution to adjust pH to 3-4, ultrasonically oscillating solution (A), (4) stirring solution (A) using magnetic stirrer, aging, drying and heating to obtain silver-titanium dioxide powder, dispersing silver-titanium dioxide powder, tungsten powder and polyvinylpyrrolidone and polyethylene glycol in absolute ethanol to form solution (B), ultrasonically dispersing solution (B) and stirring, (6) immersing activated carbon fiber in solution (B) for and drying. USE - Preparation of activated carbon fibers loaded photocatalytic material. ADVANTAGE - The method enables preparation of activated carbon fibers loaded photocatalytic material ensuring effective inhibition of respiration of fruits and vegetables. DETAILED DESCRIPTION - The preparation of activated carbon fibers loaded photocatalytic material, involves using homemade tungsten trioxide and graphene oxide as raw materials, tetrabutyl titanate is titanium source, acetic acid, polyethylene glycol as hydrolysis inhibitor and surfactant, polyvinylpyrrolidone as linker and loading with activated carbon fiber, mixing tetrabutyl titanate with absolute ethanol at volume ratio of 1:4-1:6 to obtain solution (A), ultrasonically vibrating for 5-10 minutes, adding silver nitrate powder, the content of silver ions in solution (A) is 0.05-0.08 %mass, adding glacial acetic acid solution to adjust pH to 3-4, ultrasonically oscillating solution (A) for 5-10 minutes, (4) stirring solution (A) for 30-40 minutes using magnetic stirrer, aging for 24 hours, drying and heating at 450 degrees C to obtain silver-titanium dioxide powder, taking 55-60 wt.% silver-titanium dioxide powder, 33-38 wt.% tungsten powder and 1-2 wt.% polyvinylpyrrolidone, dispersing 1-2 wt.% polyethylene glycol in absolute ethanol to form solution (B), ultrasonically dispersing solution (B) for 2 hours and stirring at room temperature for 4 hours, (6) immersing activated carbon fiber in solution (B) for 30-50 minutes and drying.