摘要
采用高频感应加热法制备纳米ZnO晶须,讨论了反应压力变化对纳米ZnO晶须的形态的影响。并且尝试建立反应压力与分形维数之间的函数关系式,这将对其开发具有显著的意义。实验证明这种四针状的纳米ZnO晶须的形态可用分形维数进行表征,纳米ZnO晶须的针愈长,分形维数愈大,发光性能也越好。
In this paper, ZnO nanowhisker is prepared by oxidizing Zn vapor at low pressure. The effect of reaction pressure on the morphology of ZnO nanowhiskers is discussed, and the functional relation between evaporating temperature and fractal dimension is set beneficial to its industrialization. It is proved that the morphology of tetrapod can be characterized by the fractal dimension. The longer the needle-like feet fractal dimension is, the higher the intensity of UV emission will be.
出处
《北京石油化工学院学报》
2006年第1期18-20,共3页
Journal of Beijing Institute of Petrochemical Technology
基金
湖北省教育厅科研资助项目
项目号:2001A1997。
关键词
纳米ZnO晶须
分形维数
反应压力
光致发光
ZnO nanowhiskers
fractal dimensions
reaction pressure
photol up, which will be ZnO nanowhiskers and the higher the uminescenee
