Synthesis of carbon onions by gold nanoparticles and electron irradiation

H. E. Troiani; A. Camacho-Bragado; V. Armendariz; J. L. Gardea Torresday; M. Jose Yacaman

doi:10.1021/cm0256817

Synthesis of carbon onions by gold nanoparticles and electron irradiation

H. E. Troiani, A. Camacho-Bragado, V. Armendariz, J. L. Gardea Torresday, M. Jose Yacaman

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

It is shown that, during electron irradiation of a thin carbon film in the presence of gold nanoparticles, fullerene onion structures are produced at a much higher rate than in the case in which no nanoparticles are present. We conclude that steps on the gold nanoparticle act as catalytic sites to promote the rearrangement of carbon atoms into caged structures. Once being nucleated, onion structures are ejected from the surface.

Original language	English (US)
Pages (from-to)	1029-1031
Number of pages	3
Journal	Chemistry of Materials
Volume	15
Issue number	5
DOIs	https://doi.org/10.1021/cm0256817
State	Published - Mar 11 2003
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Materials Chemistry

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10.1021/cm0256817

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title = "Synthesis of carbon onions by gold nanoparticles and electron irradiation",

abstract = "It is shown that, during electron irradiation of a thin carbon film in the presence of gold nanoparticles, fullerene onion structures are produced at a much higher rate than in the case in which no nanoparticles are present. We conclude that steps on the gold nanoparticle act as catalytic sites to promote the rearrangement of carbon atoms into caged structures. Once being nucleated, onion structures are ejected from the surface.",

author = "Troiani, {H. E.} and A. Camacho-Bragado and V. Armendariz and {Gardea Torresday}, {J. L.} and {Jose Yacaman}, M.",

year = "2003",

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day = "11",

doi = "10.1021/cm0256817",

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journal = "Chemistry of Materials",

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T1 - Synthesis of carbon onions by gold nanoparticles and electron irradiation

AU - Troiani, H. E.

AU - Camacho-Bragado, A.

AU - Armendariz, V.

AU - Gardea Torresday, J. L.

AU - Jose Yacaman, M.

PY - 2003/3/11

Y1 - 2003/3/11

N2 - It is shown that, during electron irradiation of a thin carbon film in the presence of gold nanoparticles, fullerene onion structures are produced at a much higher rate than in the case in which no nanoparticles are present. We conclude that steps on the gold nanoparticle act as catalytic sites to promote the rearrangement of carbon atoms into caged structures. Once being nucleated, onion structures are ejected from the surface.

AB - It is shown that, during electron irradiation of a thin carbon film in the presence of gold nanoparticles, fullerene onion structures are produced at a much higher rate than in the case in which no nanoparticles are present. We conclude that steps on the gold nanoparticle act as catalytic sites to promote the rearrangement of carbon atoms into caged structures. Once being nucleated, onion structures are ejected from the surface.

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Synthesis of carbon onions by gold nanoparticles and electron irradiation

Abstract

ASJC Scopus subject areas

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