亚微级氧化锌空心球的制备及其光催化性能研究进展

亚微级ZnO空心球由于具有密度低、比表面积大、结构规整、尺寸可控等优点及众多优异的物理化学性能,引起科研工作者的广泛关注。因此,探索简单易行、经济高效的亚微级ZnO空心球的制备方法成为关注的热点。结合课题组在亚微级ZnO空心球方面的研究进展和国内外在其制备过程中涌现出的新方法,如水热法、声化学法、超声辅助水热法、静电纺丝法和微波辐射法等,对中空ZnO的制备新技术进行了综述。同时,对这些方法的基本原理、特点、应用情况等进行了总结,并对中空ZnO的光催化性能进行了综述。最后,在此基础上对亚微级ZnO空心球的发展方向和前景进行了展望。

Progress in Submicrometric ZnO Hollow Spheres and Photocatalytic Properties

The submicrometric ZnO hollow spheres with low density, large specific surface area, well-defined structure, controllable size, and many other special physical and chemical properties, have attracted a great deal of attentions. Consequently, seeking simple, highly efficient and economical synthesis technique for submicrometric ZnO hollow spheres has been a focus of attention. Based on our previous study in the field of hollow ZnO and the predecessors work, a comprehensive overview of some novel preparation technologies of submicrometric ZnO hollow spheres, including hydrothermal method, sonochemical method, ultrasonic assisted hydrothermal method, electrostatic spinning and microwave irradiation are introduced in this paper. The mechanism, characteristics and applications of these techniques are also summarized. In addition, the photocatalytic performance of submicrometric ZnO hollow spheres is introduced. Besides, the research foreground of submicrometric ZnO hollow spheres is proposed briefly.