Graphene oxide (GO) and graphene quantum dots (GQDs) are difficult to disperse in the polymer homogeneously. Pickering emulsion polymerization can effectively improve the dispersity of GO and GQDs in the polymer matrix, so the performances of composite material are improved. This article summarizes the preparation and structure of GO and GQDs, and expounds the influence of the GO size, ionic strength, pH, GO and GQDs structure designing, monomer polarity and other factors for the adjustment of amphiphilicity of GO and GQDs as well as the Pickering emulsion polymerization. The research progress of GO and GQDs used for improving the function of composite by Pickering emulsion polymerization is summarized. The ability for GO and GQDs to act as stabilizer for Pickering emulsions is related to the interfacial tension of liquid-liquid interfaces and liquid-solid interfaces and whether GO and GQDs can be adsorbed onto the liquid-liquid interfaces thermodynamically. All of the size, ionic strength, pH and structure designing have an effect on the liquid-solid interfacial tension. Hence, monomer polarity can decide the liquid-liquid and liquid-solid interfacial tension. The GO and GQDs can be modified by modification, reduction and other chemical methods, which can endow the polymer with excellent properties such as conductivity, thermal conductivity and magnetic responsivity. At last, the propects of GO and GQDs stabilizing Pickering emulsion are proposed.

Contents
1 Introduction
2 Graphene oxide
2.1 The preparation of GO
2.2 The structure of GO
2.3 Research progress of GO as Pickering emulsion stabilizer
3 Graphene quantum dots
3.1 The preparation of GQDs
3.2 The structure of GQDs
3.3 Research progress of GQDs as Pickering emulsion stabilizer
4 Conclusion