摘要
利用场发射扫描电子显微镜、X射线衍射仪以及X射线能谱仪等试验方法对同轴送氧CO2连续激光制备的ZnO纳米晶体的形貌、组成成分以及相结构进行了分析.研究结果表明:同轴送氧激光辐射能够制备梅花状纳米晶体、四足晶体、纳米盘、纳米线等不同的纳米晶体;在不同的激光参数作用下,能够产生纯度很高的结构和性质相同的ZnO纳米晶体;并且ZnO纳米线阵列沿着金属锌板厚度生长,保持着自然的生长方向,有利于氧化锌晶体的提取,从而建立了一种制备ZnO纳米晶体的方法.
The different ZnO nanocrystals were fabricated with zinc sheet （purity 99.99% ） by CO2 laser irradiation. The morphologies, components and phase structures of ZnO products were investigated by field-emission scanning electron microscopy, X-ray diffraction, and energy dispersed X-ray spectrometer. There are different ZnO nanostructures at different laser parameters, such as, three-dimensional nanotetrapods and clublike nanocrystals, two-dimensional nanodisks and one-dimensional nanowires. The research results show that both the morphologies of ZnO products and their unit structures are uniform or similar at a certain different laser parameters. Different ZnO nanoproducts are fabricated by laser irradiation and coaxially transporting O2. ZnO nanowires are fabricated in spontaneously growing directions which is helpful to the extraction of ZnO nanocrystals in the future, and accordingly a new fabrication method of ZnO nanocrystals is established.
出处
《江苏大学学报（自然科学版）》
EI
CAS
北大核心
2006年第5期379-382,共4页
Journal of Jiangsu University：Natural Science Edition
基金
江苏省光子制造科学与技术重点实验室开放基金资助项目(200502)
关键词
同轴送氧
激光辐射
ZNO
纳米晶体
生长特性
coaxially transporting O2
laser irradiation
ZnO
nanocrystals
growth properties
