| abstract |
A stacked electrode of an embodiment includes: a multi-layered graphene film and a metal wiring formed thereon, wherein the metal wiring contains randomly oriented metal nanowires, the multi-layered graphene film contains a laminate of graphene sheets, the graphene sheets each contain an aggregate of graphene plates, and the graphene plates have an average area of (A+B) 2 nm 2 or more, wherein A (nm) represents the average diameter of the metal nanowires, B (nm) satisfies the equation (1) of B 2 /(A+B) 2 =(1−X), and X represents the ratio of the area of the metal nanowires projected in the stacking direction of the stacked electrode. |