期刊
NATURE NANOTECHNOLOGY
卷 2, 期 3, 页码 156-161出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nnano.2007.37
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资金
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [0915334] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Engineering Education and Centers [832785] Funding Source: National Science Foundation
Both fullerenes and single-walled carbon nanotubes (SWNTs) exhibit many advantageous properties(1). Despite the similarities between these two forms of carbon, there have been very few attempts to physically merge them(2,3). We have discovered a novel hybrid material that combines fullerenes and SWNTs into a single structure in which the fullerenes are covalently bonded to the outer surface of the SWNTs. These fullerene-functionalized SWNTs, which we have termed NanoBuds, were selectively synthesized in two different one-step continuous methods, during which fullerenes were formed on iron-catalyst particles together with SWNTs during CO disproportionation. The field-emission characteristics of NanoBuds suggest that they may possess advantageous properties compared with single-walled nanotubes or fullerenes alone, or in their non-bonded configurations.
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