▎ 摘　　要

NOVELTY - The utility model claims a layered infrared absorbing nano-film comprises graphene nano sheet, the graphene nano sheet, filter and metal nano sheets through longitudinal carbon nano-tube is fixedly connected with two sides of said vertical carbon nano-tube contact with the graphene nano sheet is provided with a bump; position of the graphene nano sheet and longitudinal carbon nano-tube contact is opened with a groove matched with the bump, the two sides of said vertical carbon nano-tube contact with the filter is set with projection, the position of the filter and longitudinal carbon nano-tube contact is opened with a groove matched with the bump. two sides of said vertical carbon nano-tube and nano-metal sheet contact is set with projection, the position of the metal nano sheets and longitudinal carbon nano-tube contact is opened with a groove matched with the bump. the infrared absorbing nano-layered film, and it can effectively absorb external infrared to replace existing film in terms of absorbing infrared.