▎ 摘　　要

NOVELTY - The utility model claims a quartz crucible and graphene manufacturing device, belonging to the technical field of high emissivity coating, quartz crucible comprises an inner side wall and an outer side wall, at least one of the inner side wall and the outer side wall is provided with a radiation coating. through at least one of the inner side wall and the outer side wall of the quartz crucible is provided with a radiation coating, when manufacturing the graphene, the gradient temperature field can be formed in the quartz crucible, the carbon atom is deposited layer by layer along with the gradient temperature field in the process of vaporizing, forming a high quality of graphene DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a device for manufacturing a piece of graphene.