海胆状无机中空微球的制备及其在光催化方面的应用进展

Progress in preparation and photocatalysis of urchin-like inorganic hollow microsphere

无机半导体光催化材料在解决能源短缺和环境污染方面具有重要应用,将一维纳米棒和零维纳米颗粒结合在一起形成的海胆状无机中空微球,因具有高的比表面积和孔隙率近年来成为研究的重点。根据海胆状无机中空微球中海胆部分生长过程的不同,从分步法与同步法的角度综述了ZnO、TiO_2、CuO、MnO_2、Fe_3O_4等海胆状无机中空微球的制备进展,然后总结了海胆状无机中空微球在光催化领域的应用进展,最后展望了海胆状无机中空微球今后的发展前景。

The inorganic semiconductor photocatalytic materials play an important role to solve the energy shortage and environmental pollution.Urchin-like inorganic hollow microspheres combining one-dimensional nanorods and zero-dimensional nanoparticles have become the focus of researches in recent years due to its higher specific surface area and porosity.The progress in preparation of urchin-like inorganic hollow microspheres such as ZnO,TiO2,CuO, MnO2 and Fe3O4 were reviewed from the perspective of step by step method and synchronization method,according to the difference of growth process of sea urchin part on urchin-like inorganic hollow microspheres.Then,the application progress in photocatalysis was introduced.Finally,the research direction and development prospect were prospected.