▎ 摘　　要

In this work, we investigate the reduction of graphene oxide using a photographic flash-light. GO thin films were spray-coated to thicknesses of similar to 150, 200 and 300 nm on slide glass, and these films were reduced by photographic flash-light irradiation with 3000 Ws charged power at room temperature under ambient conditions. We studied the thickness effect of the GO thin films, which is an important parameters for the photo-thermal method. The 300-nm-thick GO thin film was fully reduced under flash-light irradiation, and thus its structure and chemical composition changed. The irradiated GO thin films were characterized by X-ray diffraction, X-ray photoelectron spectroscopy, Raman spectroscopy, transmission electron microscopy, and scanning electron microscopy.