▎ 摘　　要

NOVELTY - Preparation of graphene oxide/silver antibacterial composite material involves dissolving graphite oxide powder in deionized water, ultrasonically processing, obtaining brown oxide graphene suspension, dipping silver precursor in graphene oxide suspension liquid, adding silver nitrate solution, mixing obtained solution in vacuum drying box, drying, obtaining sheet-shaped mixture of graphene oxide and silver precursor, plasma reducing graphene oxide with sheet mixture of silver precursor into plasma generating device and processing in the continuous discharge. USE - Preparation of graphene oxide/silver antibacterial composite material (claimed). ADVANTAGE - The graphene oxide/silver antibacterial composite material is efficiently prepared. DETAILED DESCRIPTION - Preparation of graphene oxide/silver antibacterial composite material involves dissolving graphite oxide powder in deionized water, ultrasonically processing for 5-10 hours, obtaining brown oxide graphene suspension, dipping silver precursor in the graphene oxide suspension liquid, adding silver nitrate solution, stirring uniformly, then mixing obtained solution in a vacuum drying box, drying for 20-24 hours at 80-90 degrees C, obtaining sheet-shaped mixture of graphene oxide and silver precursor, plasma reducing the graphene oxide with sheet mixture of silver precursor into the plasma generating device in jet, starting vacuum pump to pump the air pressure in the pumping device of 5 Pa, then opening the air source valve, introducing hydrogen to 50-100 Pa, starting alternating current high voltage power supply under peak voltage of 5000-5500 V, filling air pressure of hydrogen cold plasma jet with glow at the bottom of the device, and processing for 20-30 minutes in the continuous discharge status. The mass ratio of graphene oxide and silver nitrate is 3-4:1.