Journal
CARBON
Volume 44, Issue 7, Pages 1166-1172Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2005.11.001
Keywords
carbon nanotubes; chemical vapor deposition; coating; electron microscopy; particle size
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A simple and efficient approach for coating multiwalled carbon nanotubes (MWCNTs) with size-controllable SnO2 nanoparticles by chemical vapor deposition has been developed using tin hydride (SnH4) gas as the source of SnO2 at 550 degrees C. The size and coverage of SnO2 nanoparticles can be adjusted by simply controlling the deposition time and the flow rate of the SnH4/N-2 mixture gas during the CVD procedure. In addition, by using the MWCNTs as a sacrificial template, a kind of one-dimensional chain-like SnO2 nanostructure has been synthesized by increasing the deposition temperature to 730 degrees C. This technique may provide a good way to produce tunable SnO2-MWCNT composites. (c) 2005 Elsevier Ltd. All rights reserved.
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