▎ 摘　　要

NOVELTY - Dual-waveband thin film photodetector comprises base sheet (1), first electrode layer (2), first tungsten diselenide layer (3), graphene layer (4), first molybdenum disulfide layer (5), second electrode layer (6), medium layer (7), second tungsten diselenide layer (8), third electrode layer (9), second molybdenum disulfide layer (10) and fourth electrode layer (11). The first electrode layer is connected with upper surface of base sheet. The first tungsten diselenide layer is connected with upper surface of base sheet and first electrode layer. USE - Dual-waveband thin film photodetector. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of dual-waveband thin film photodetector. Base sheet (1) First electrode layer (2) First tungsten diselenide layer (3) Graphene layer (4) First molybdenum disulfide layer (5) Second electrode layer (6) Medium layer (7) Second tungsten diselenide layer (8) Third electrode layer (9) Second molybdenum disulfide layer (10) Fourth electrode layer (11)