A mesoporous MoO3/TiO2 composite was prepared from titanate derivative by consecutive self-supporting and ammonia method. All samples were characterized by X-ray Diffraction, N2 adsorption–desorption, Raman Spectra and Field-Emission Scanning Electron Microscopy. The results showed that mesoporous MoO3/TiO2 composite had a higher surface area (173 m2/g) and a better MoO3 dispersion than that prepared by traditional impregnation (90 m2/g). As for hydrodesulfurization tests, mesoporous MoO3/TiO2 composite in this case presented a better catalytic performance, attributed to its high surface area and good dispersion of MoO3. It can be found that self-supporting played a key role in preparing mesoporous MoO3/TiO2 composite with high surface area. Additionally, aqueous ammonia could effectively dissolve excess MoO3, which helped to obtain mesoporous MoO3/TiO2 composite with better dispersion of MoO3.Graphical Abstract

中文翻译：

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自支撑氨法制备高比表面积介孔MoO3/TiO2复合材料及其表征

以钛酸盐衍生物为原料，通过连续自支撑和氨法制备了介孔MoO3/TiO2复合材料。所有样品均通过 X 射线衍射、N2 吸附-解吸、拉曼光谱和场发射扫描电子显微镜进行表征。结果表明，介孔 MoO3/TiO2 复合材料比传统浸渍法制备的复合材料（90 m2/g）具有更高的表面积（173 m2/g）和更好的 MoO3 分散性。至于加氢脱硫试验，在这种情况下，介孔 MoO3/TiO2 复合材料表现出更好的催化性能，这归因于其高表面积和良好的 MoO3 分散性。可以发现，自支撑在制备具有高表面积的介孔 MoO3/TiO2 复合材料中起着关键作用。此外，氨水可以有效溶解多余的 MoO3，