▎ 摘　　要

NOVELTY - Manufacture of nano-silver-modified graphene involves adding graphene to water, ultrasonically processing for 2-4 hours, obtaining dispersion (A), adding sodium hydroxide solution to silver nitrate solution, adding aqueous ammonia, stirring, obtaining ammoniacal silver nitrate solution, dissolving tartaric acid and glucose in water, mixing, dissolving under stirring condition, heating, cooling, obtaining mixture (B), adding ethanol, stirring, mixing resultant solution with ammoniacal silver nitrate solution and dispersion (A), ultrasonically processing, filtering, washing and drying. USE - Manufacture of nano-silver-modified graphene (claimed). ADVANTAGE - The method enables efficient manufacture of nano-silver-modified graphene having high stability and conductivity and reduced surface functional groups, with high yield. DETAILED DESCRIPTION - Manufacture of nano-silver-modified graphene involves adding graphene to water, ultrasonically processing for 2-4 hours, obtaining dispersion (A), adding sodium hydroxide solution to silver nitrate solution, adding aqueous ammonia, stirring, obtaining ammoniacal silver nitrate solution, dissolving tartaric acid and glucose in water, mixing, dissolving under stirring condition, heating at 110-130 degrees C for 10-30 minutes, cooling to room temperature, obtaining mixture (B), adding ethanol, stirring, mixing resultant solution with ammoniacal silver nitrate solution and dispersion (A), ultrasonically processing for 0.5-5 minutes, filtering, washing with ethanol and water, respectively and drying at 40-60 degrees C. The mass ratio of graphene and water is 1-3:1. The mass ratio of silver nitrate and sodium hydroxide is 1:0.4-1. The mass ratio of tartaric acid, glucose and water is 1:9-13:200-300. The volume ratio of mixture (B) and ethanol is 1:8-12. The mass ratio of silver nitrate and graphene is 1:0.1-2.