Patent ID: 8436444

Claim:
A thin film photoelectric conversion device comprising a metal nanostructure composed of a number of metal clusters or metal fractal structures formed on a substrate, wherein: the metal nanostructure has the following structure: a periodic structure, wherein a number of first convex parts successively lie with a pitch of from one-tenth of a wavelength of an incident light to a wavelength equal to or shorter than the wavelength of the incident light in a planar direction along the substrate, is formed on the substrate; and a random structure, wherein a distance between any pair of a number of second convex parts formed at random positions on the substrate, or a distance between a second convex part and a first convex part is shorter than 100 nm, is formed on the substrate in a position within a region of the periodic structure, and wherein photo-induced current is generated by an incident light emitted to the metal nanostructure.