UiO-66/GO纳米复合材料的合成及其增强的吸附性能

以ZrCl4， 和H2BDC和GO为原料，采用溶剂热法 合成了一种新型的纳米 复合材料UiO-66/氧化石墨烯（UiO-66/GO）。运用扫描电镜（SEM）和透射电镜（TEM）分析了复合材料的表面形貌和复合状态，观察到UiO-66均匀生长在GO片上形成一种2D负载结构。采用X-射线衍射（XRD）和红外光谱（FTIR）对复合材料的晶体成分结构和成分进行分析，发现GO的添加不影响UiO-66的晶型体结构。N2吸附-解吸等温线分析了纳米复合材料的比表面积和孔径分布，表明含有2% 质量比GO用量2%的UiO-66/GO复合材料 具有最高的比表面积 （738 m2/g）。UiO-66/GO-2 的协同效应 使其对刚果红（CR）的去除率远高于UiO-66和GO的，其最大吸附量为561.79 mg/g，分别是相同条件下UiO-66和GO对CR吸附量的2.8倍和7.1倍。

Synthesis and enhanced adsorption property of UiO-66/GO nanocomposites

A novel nanocomposites, UiO-66/graphene oxide (UiO-66/GO), was synthesized by solvothermal method using ZrCl4 and, H2BDC and GO as raw materials. The surface morphology and recombination state of the composites were analyzed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM).It was observed that UiO-66 uniformly grew on the GO sheet to form a 2D load structure.X-ray diffraction (XRD) and Infrared spectroscopy (FT-IR) was used to analyze the crystal structure and compositioncomposition of the composites, finding that the addition of GO did not affect the crystal structure of UiO-66.The specific surface area of the nanocomposites was analyzed by N2 adsorption-desorption isotherm, indicating that the composite with 2% mass ratio of GO had the highest specific surface area (738 m2/g). The synergistic effect of UiO-66/GO made the removal rate of Cong red (CR) much higher than that of UiO-66 and GO. The maximum adsorption capacity of UiO-66/GO-2 to CR is 561.79 mg/g, which was 2.8 and 7.1 times that of UiO-66 and GO under the same conditions, respectively.