A nanostructured composite material was produced through sol–gel-assisted ionic liquid (IL) synthesized TiO₂, WO₃ and functionalized reduced graphene oxide (FRGO), respectively. IL was selected and used as shape and size controller in TiO₂ synthesis as well. GO nanosheets were functionalized with (E)-2-[4-(dimethylamino) phenyl] benzoic acid (methyl red dye) in order to absorb more light. The products were characterized using X-ray diffraction spectroscopy, scanning electron microscopy, transmission electron microscopy, N₂ adsorption–desorption methods, FTIR, Raman, photoluminescence and X-ray photoelectron spectroscopy. The photocatalytic activity of TiO₂–IL/WO₃/FRGO composite in toluene degradation under visible-light irradiation was evaluated by gas chromatography. The prepared composite demonstrated significant toluene degradation (ca. 74%) after only 2 min of reaction in comparison to TiO₂–IL/WO₃ composite (51%), TiO₂–IL (40%) and pure TiO₂ (17%). These results are due to the combination of FRGO and WO₃ with TiO₂ by their properties like stability, high surface area and low band gap.

通过溶胶-凝胶辅助离子液体（IL）合成的TiO ₂，WO ₃和功能化的还原氧化石墨烯（FRGO）分别生产了纳米结构的复合材料。选择IL并将其用作TiO ₂合成中的形状和尺寸控制剂。将GO纳米片用（E）-2- [4-（二甲基氨基）苯基]苯甲酸（甲基红染料）官能化以吸收更多的光。使用X射线衍射光谱，扫描电子显微镜，透射电子显微镜，N ₂吸附-解吸方法，FTIR，拉曼光谱，光致发光和X射线光电子能谱对产品进行了表征。TiO ₂ -IL / WO ₃的光催化活性用气相色谱法评价了/ FRGO复合材料在可见光照射下甲苯降解的性能。与仅TiO ₂ -IL / WO ₃复合材料（51％），TiO ₂ -IL（40％）和纯TiO ₂（17％）相比，反应仅2分钟后，制备的复合材料就表现出明显的甲苯降解（约74％）。）。这些结果归因于FRGO和WO ₃与TiO ₂的结合，例如稳定性，高表面积和低带隙。