▎ 摘　　要

NOVELTY - A nano heterojunction UV detector with flexible vertical structure contains polyester film layer, indium tin oxide film anode electrode layer, nitrogen-doped graphene film layer having thickness of 10-40 nm, N,N'-bis(naphthalen-1-yl)-N,N'-bis(phenyl)-benzidine (NPB) thin film layer and aluminum cathode electrode layer having thickness of 80-100 nm. The polyester film layer and indium tin oxide film anode electrode layer constitute substrate. USE - Nano heterojunction UV detector with flexible vertical structure. ADVANTAGE - The detector is a photovoltaic flexible ultraviolet detector, which can work under zero bias or low voltage bias conditions, and hence the device has low power consumption and high detection rate. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of nano heterojuntion UV detector, which involves sequentially transferring prepared nitrogen-doped graphene thin film layer on anode electrode layer of indium tin oxide thin film, carrying out high vacuum evaporation of N,N'-bis(naphthalen-1-yl)-N,N'-bis(phenyl)-benzidine thin film layer and aluminum cathode electrode layer.