▎ 摘　　要

NOVELTY - Composite useful for catalyzing the degradation of organophosphorus compounds, prepared by mixing copper oxide nanoparticles/three-dimensional nitrogen-doped graphene catalyst, organophosphorus compound and aqueous ammonia solution and hydrolyzing. USE - The composite is useful for catalyzing the degradation of organophosphorus compounds (claimed). ADVANTAGE - The composite exhibit higher catalytic activity and has excellent cycle stability.