Аннотация:The semiconductor materials with the values of energy band gap in the range of 1-2 eV are the most
suitable for manufacturing solar cells. These objects include some of the carbon allotropic modifications, as well as quantum dots on the surface of these materials, which act as the basis for the creation of new optoelectronic devices based on nanostructures. This paper presents the investigations of the optical properties and structure of the synthesized multilayer system diamond-like carbon film/carbon quantum dots/C60film (DLC/Qdots/C60).