▎ 摘　　要

NOVELTY - A graphene hot electron nano-diode has electronic amplification type graphene layer, a semiconductor layer forming Schottky junction with the pinned layer, an electrode (A) forming an ohmic contact with the pinned layer, and another electrode (B) forming ohmic contact with semiconductor layer. USE - Graphene hot electron nano-diode for optical detection device and energy conversion device (all claimed). ADVANTAGE - The graphene hot electron nano-diode has excellent detection sensitivity and energy conversion efficiency.