▎ 摘　　要

NOVELTY - The utility model claims a single-layer graphene film based composite structure, a super capacitor, an LED device, solar cell, light catalytic device and a sensor; the structure comprises a single layer graphene film and the single layer graphene film surface of the vertical array of the nano line, the nano line vertical array comprises at least two layers of nano lines sub array, the top of at least two layers of nano lines sub array is different, and the top part of the sub array of the nano wire the same layer have the same height, such that the nano line top with undulate vertical array. quantity of the utility model of single-layer graphene film based composite structure, it has advantages of fast carrier mobility and high specific surface area, and it can improve absorption or release charge in unit time and increased charge storage capacity.