▎ 摘　　要

Herein, a unique nanohybrid foam was fabricated with titanium dioxide (TiO2)-carbon quantum dots (CQDs) nanoparticles intercalated between graphene oxide (GO) layers via a facile and low-cost solvothermal method. Compared with pure GO foam, the fabricated GO-TiO2-CQDs foam displayed high degradation rate towards methyl orange (MO), methylene blue (MB), and rhodamine B (RhB), respectively, under the Xenon lamp irradiation. The composite foam can be used for several times and remain a high degradation rate without structural damage. The photochemical property was attributed to the 3D porous structure of GO-TiO2-CQDs foam, in which ultrafine hydrogenated TiO2-CQDs nanoparticles were densely anchored on the GO sheets. This paper provides an efficient strategy to tune the charge transport and thus enhance the photocatalytic performance by combining the semi-conductive GO and quantum dots.