以氯化铜和氢氧化钠为原料,在无表面活性剂条件下采用水热法合成出由纳米棒组装成的叶片状氧化铜粉体。探究了在不同水热时间下产物的相结构及微观形貌的变化,进而探索产物的形成过程。利用X射线衍射（XRD）、扫描电子显微镜（SEM）和高分辨率透射电子显微镜（HRTEM）对产物的相结构及微观形貌进行分析。研究结果表明,随着水热时间的延长,产物经历了由短棒状氢氧化铜到长纤维状氢氧化铜和氧化铜混相结构再到叶片状氧化铜结构的转变。对叶片状结构中位错及堆垛层错的形成分析,证明了该微观形貌的产生可归因于不完全定向依附生长机制。

The leaf-like copper oxide powder assembled from nanorods was synthesized by hydrothermal method using copper chloride and sodium hydroxide as raw materials without surfactant.The changes of the phase structure and micromorphology of the product under different hydrothermal time were explored,and then the formation process of the product was explo-red.X-ray diffraction（XRD）,scanning electron microscopy（SEM） and high-resolution transmission electron microscopy （HRTEM） were used to analyze the phase structure and micromorphology of the product.The results showed that the product underwent a transition from short rod-shaped copper hydroxide to long-fiber copper hydroxide and copper oxide mixed phase structure to leaf-like copper oxide structure with the extension of hydrothermal time.Analysis of the formation of dislocations and stacking faults in leaf-like structures proved that the generation of this micro-morphology can be attributed to the imperfect oriented growth mechanism.