▎ 摘　　要

NOVELTY - The photo-detector has a carbon nanotube film (502) formed on an electrode (902) i.e. graphene sheet. A first graphene sheet is formed on the carbon nanotube film. A second graphene sheet exerts electrical field on the first graphene sheet that changes electrical property of the first graphene sheet. An insulator layer (702) is directly formed between the first graphene sheet and the second graphene sheet. A conductive metal electrode (206) is formed on a same side of the first graphene sheet as the insulator layer. The second graphene sheet is positioned between the first graphene sheet and a light source. USE - Graphene-contacted nanotube photo-detector for an integrated circuit chip. ADVANTAGE - The photo-detector detects plasmonic photon absorption by carbon nanotubes to utilize one or more layers of graphene as an electrode, and a relatively thick film of the carbon nanotubes to increase absorption, while using the electrical properties of graphene to tune and optimize performance of the photo-detector by adjusting Fermi level of the graphene contact. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for forming a graphene-contacted nanotube photo-detector. DESCRIPTION OF DRAWING(S) - The drawing shows a sectional view of a carbon nanotube photo-detector where electrodes are formed on graphene films. Semi-conductor substrate (202) Conductive metal electrode (206) Carbon nanotube film (502) Insulator layer (702) Electrode (902)