Hydrothermal fabrication and characterization of polycrystalline linneite (Co₃S₄) nanotubes based on the Kirkendall effect

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• 作者：Xiangying Chen ; Zhongjie Zhang ; Zhiguo Qiu ; Chengwu Shi ; Xueliang Li
• 关键词：Hydrothermal ; Linneite ; Nanotubes ; Kirkendall effect
• 刊名：Journal of Colloid and Interface Science
• 出版年：2007
• 期刊代码：125_00219797
• 类别：ch
• 出版时间：1 April 2007
• 卷：308
• 期：1
• 页码：271-275
• 文件大小：672 K

摘要

In this study, polycrystalline linneite (Co₃S₄) nanotubes constructed with nanoparticles have been firstly fabricated using 1D Co(CO₃)_0.35Cl_0.20(OH)_1.10 nanowires as the sacrificial templates under hydrothermal conditions. The samples are characterized by means of XRD and TEM. The formation mechanism of the Co₃S₄ nanotubes can be explained by the nanoscale Kirkendall effect, which results from the difference in diffusion rates between cobalt source and hydrogen sulfide. This simple synthetic route is expected to prepare other nanomaterials with the tubular structures.