▎ 摘　　要

NOVELTY - Preparing nano composite material comprises taking the silver nitrate solution and oxidized graphene aqueous solution, mixing the chloroauric acid solution and ammonium carbonate and reacting. USE - The method is useful for preparing nano composite material (claimed). ADVANTAGE - The method is simple and economical. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for nano composite material prepared by above method.