Abstract:
This invention relates to a method and board for forming a graphene layer, and more particularly, to a method of forming a high-quality graphene layer using high pressure annealing and to a board used therein. The method of forming the graphene layer includes forming a reaction barrier layer on a substrate layer, forming a metal catalyst layer which functions as a catalyst for forming the graphene layer on the reaction barrier layer, subjecting a board including a stack of the layers to high pressure annealing, and growing the graphene layer on the metal catalyst layer. This board is subjected to high pressure annealing before growth of the graphene layer, and the reaction barrier layer is formed using a material having high adhesion energy to the metal catalyst layer so as to suppress migration of metal catalyst atoms.
Abstract:
A method of forming a high-quality graphene layer including forming a board layer; forming a stress reduction layer on the board layer; forming a metal catalyst layer on the stress reduction layer, the metal catalyst layer functioning as a catalyst for forming the graphene layer; and growing a graphene layer on the metal catalyst layer. The stress reduction layer reduces the stress of the metal thin film, thus, improving crystallinity and surface roughness of the metal thin film, and thereby effectively forming a high-quality graphene layer.
Abstract:
This invention relates to a method and board for forming a graphene layer, and more particularly, to a method of forming a high-quality graphene layer using high pressure annealing and to a board used therein. The method of forming the graphene layer includes forming a reaction barrier layer on a substrate layer, forming a metal catalyst layer which functions as a catalyst for forming the graphene layer on the reaction barrier layer, subjecting a board including a stack of the layers to high pressure annealing, and growing the graphene layer on the metal catalyst layer. This board is subjected to high pressure annealing before growth of the graphene layer, and the reaction barrier layer is formed using a material having high adhesion energy to the metal catalyst layer so as to suppress migration of metal catalyst atoms.
Abstract:
This invention relates to a board and method for forming a graphene layer, and more particularly, to a board for use in forming a graphene layer, which has a structure able to improve properties of the graphene layer formed thereon, and to a method of forming a high-quality graphene layer using the same. The board of the invention includes a board layer, a metal catalyst layer formed on the board layer and functioning as a catalyst for forming the graphene layer, and a stress reduction layer disposed between the board layer and the metal catalyst layer so as to reduce stress of the metal catalyst layer, wherein the stress reduction layer able to reduce stress of the metal thin film is provided, thus improving crystallinity and surface roughness of the metal thin film, thereby effectively forming a high-quality graphene layer.