▎ 摘　　要

NOVELTY - Graphene/nano-gold coating comprises reaction surface orderly coated with graphene and nano-gold coating from the inside to the outside. USE - Used as graphene/nano-based gold coating of reaction surface. ADVANTAGE - The heating device has simple principle and strong operability, graphene/nano-gold coating with excellent thermal conductivity, realizes low energy consumption. DETAILED DESCRIPTION - INDEPENDENT CLAIM are also included for (1) preparing the graphene/nanogold coating based on reaction surface, comprising (i) cleaning fully reaction surface, drying with nitrogen, treating with silylating agent, and constructing a smooth graphene oxide sheet on its surface, and (ii) reducing the nano-gold coating on the surface of the reaction by graphene oxide; and (2) use of graphene/nanogold coating based reaction surface in a light heating device.