グラフェン製造用銅箔及びそれを用いたグラフェンの製造方法

摘要

A copper foil for producing graphene, having 60 degree gloss of 500% in a rolling direction and a direction transverse to rolling direction, and an average crystal grain size of 200 µm or more after heating at 1000 °C for 1 hour in an atmosphere containing 20 % by volume or more of hydrogen and balance argon.