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CVD synthesis and purification of single-walled carbon nanotubes using silica-supported metal catalyst

Abstract:

We report the growth of single-walled carbon nanotubes (SWNTs) from silica aerogel by methane chemical vapor deposition (CVD). Bimetallic Fe/Mo supported by amorphous silica forms nanostructures that are catalytically active at the growth temperature. Despite the flexibility gained by using silica as a support matrix, the as-grown nanotube samples need to be further purified for applications in nanodevices. Our experiments show that the treatment in hydrofluoric acid selectively removes the s...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
Journal:
MATERIALS LETTERS
Volume:
61
Issue:
11-12
Pages:
2589-2593
Publication date:
2007-05-05
DOI:
ISSN:
0167-577X
URN:
uuid:44351ad5-9306-4b73-b384-26d7a1e7be53
Source identifiers:
151453
Local pid:
pubs:151453

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