Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 3, Issue 1-2, Pages 159-163Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2003.181
Keywords
single-wall carbon nanotubes; filling; metal chloride; metal nanowires; TEM; STEM
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Nanowires of magnetic metals (Fe, Co, Ho, Gd) have been synthesized inside the hollow interiors of single-wall carbon nanotubes (SWNTs) by filling SWNTs with precursor metal chlorides and subsequent reduction. SWNTs have been filled by either the melt-phase sealed-tube reaction or a solution-phase method. Among the metal chlorides investigated in this study, HoCl3 and GdCl3 filled the SWNTs to a significantly higher extent. The nanowires have been imaged by transmission electron microscopy (TEM), high-resolution transmission electron microscopy, and scanning transmission electron microscopy (STEM), X-ray energy dispersive spectroscopy carried out in conjunction with TEM and STEM confirmed the presence of metal chloride and metal nanowires.
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