▎ 摘　　要

NOVELTY - Preparing functionalized graphene by ball milling comprises ball milling graphite, aniline-containing amino organic molecules and isoamyl nitrite to obtain organic molecules covalently modified graphene. USE - The functionalized graphene is useful in the field of optoelectronic devices, energy sources and materials. ADVANTAGE - The functionalized graphene has excellent dispersibility, simple operation, low cost and high efficiency; and is pollution-free and suitable for large-scale industrial production.