Graphene oxide film and preparation method thereof

The invention discloses a graphene oxide film and a preparation method thereof, and the preparation method comprises the following steps: S1, mixing and dispersing a cross-linking agent solution and a graphene oxide dispersion liquid to obtain a uniformly dispersed dispersion liquid; s2, carrying out vacuum suction filtration on the dispersion liquid on a substrate film, carrying out self-assembly on graphene oxide to form a film, and drying; and S3, stripping the film dried in the step S2 from the substrate film, and then performing ultraviolet radiation to obtain the surface-reduced graphene oxide film. While the stability of the graphene oxide membrane in water is improved, the influence on the water permeability of the membrane is relatively small, relatively high treatment capacity is still kept, and the preparation process is simple and easy to operate and has a good application prospect. 本发明公开了一种氧化石墨烯膜及其制备方法，所述制备方法包括如下步骤：S1、将交联剂溶液与氧化石墨烯分散液混合、分散，得到分散均匀的分散液；S2、将所述分散液在基底膜上进行真空抽滤，氧化石墨烯自组装成膜，并干燥；S3、将步骤S2干燥后