期刊
CRYSTENGCOMM
卷 12, 期 6, 页码 1899-1904出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b923206k
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资金
- National Natural Science Foundation of China [20701001]
Polycrystalline Co9S8 nanotubes were successfully fabricated by using Co(CO3)(0.35)Cl-0.20(OH)(1.10) nanorod bunches as sacrificial hard templates through a hydrothermal route. The samples were characterized by means of XRD, XPS, SEM and TEM. The Co9S8 nanotubes were formed due to the nanoscale Kirkendall effect, which can be explained by the difference in diffusion rates between the cobalt source and the sulfur ion. Magnetic measurements indicate that the Co9S8 nanotubes show a paramagnetic property instead of a ferromagnetic property, which can be attributed to the tiny sizes of the component nanoparticles. The electrochemical properties of the Co9S8 nanotubes demonstrate that they deliver a large discharge capacity, which might find possible applications as an electrode material in lithium batteries.
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