▎ 摘　　要

The synthesized single- and few-layer graphene oxide quantum dots (GOQDS) with an average size of 3 nm can be dissolved in many solvents. Good photoluminescence (PL) properties based on one- and two-photon absorption can be observed. The treatment with acid and alkali can cause blue- and red-shift phenomena in the PL The solvent and the excitation wavelength can also affect the PL.