Heterostructures of Single-Walled Carbon Nanotubes and Carbide Nanorods

✍ Scribed by Zhang, Y.

• Book ID: 118746202
• Publisher: American Association for the Advancement of Science
• Year: 1999
• Tongue: English
• Weight: 723 KB
• Volume: 285
• Category: Article
• ISSN: 0036-8075
• DOI: 10.1126/science.285.5434.1719

✦ Synopsis

A method based on a controlled solid-solid reaction was used to fabricate heterostructures between single-walled carbon nanotubes (SWCNTs) and nanorods or particles of silicon carbide and transition metal carbides. Characterization by high-resolution transmission electron microscopy and electron diffraction indicates that the heterostructures have well-defined crystalline interfaces. The SWCNT/carbide interface, with a nanometer-scale area defined by the cross section of a SWCNT bundle or of a single nanotube, represents the smallest heterojunction that can be achieved using carbon nanotubes, and it can be expected to play an important role in the future fabrication of hybrid nanodevices.