空心球结构的半导体氧化物具有密度低、比表面积大、机械和热稳定性好等优点。空心球结构对 TiO2纳米材料的电化学性能有着显著的优化作用,TiO2空心球作为一种重要的半导体氧化物具有良好的物理和化学性质,在多种领域均表现出潜在的应用价值,制备大小和壳层数均可控的半导体TiO2空心球已引起了研究者的广泛关注。主要综述了在硬模板、软模板和无模板条件下TiO2空心球的制备方法；同时还介绍了其在染料敏化太阳能电池和锂离子电池方面的最新研究进展；最后,对TiO2空心球的可控合成前景进行了展望。
Semiconductor oxide materials with hollow spherical structures have attracted enormous attention due to their low density,large specific area,mechanical and thermal stability.As one of the important semiconductor oxide materials,TiO2 hollow spheres have excellent electrochemical properties.Owing to the excellent physical and chemical properties for potential application in multiple fields,design and synthesis of semiconductor TiO2 with tuna-ble size,shells and interior architecture have attracted great research interest.In this paper,the synthesis of TiO2 hol-low spheres in different methods,such as hard template,soft template and template-free methods are summarized. The progress of the applications of these materials in dye-sensitized solar cell and lithium ion battery are also dis-cussed.Finally,the future development of the controllable fabrication of TiO2 hollow spheres is looked forward.
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