XRD patterns show that the samples are hexagonal wurtzite structure, the peak shift to the large angle without new phase arising, suggesting the substitution of cobalt in zinc and the distortion of the ZnO lattice. X射线衍射谱表明样品为纤维锌矿六角结构,但峰位向大角度方向偏移,没有新的相出现,说明钴在替位锌后使氧化锌晶格发生畸变。