Structures and field emission properties of heat-treated C60 fullerene nanowhiskers

The structures and field electron emission properties of C60 fullerene nanowhiskers were investigated. The single crystalline C60 fullerene nanowhiskers were straight, surrounded by facets, and had a uniform submicrometer diameter along the long axis. Heat treatment of the nanowhiskers drastically t...

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Bibliographic Details
Published in:Carbon (New York) 2012-03, Vol.50 (3), p.1209-1215
Main Authors: ASAKA, Koji, NAKAYAMA, Tadachika, MIYAZAWA, Kun'ichi, SAITO, Yahachi
Format: Article
Language:English
Subjects:
Buckminsterfullerene
Cross-disciplinary physics: materials science
rheology
Crystal structure
Exact sciences and technology
Fullerenes
Fullerenes and related materials
diamonds, graphite
Heat treatment
Materials science
Nanocomposites
Nanomaterials
Nanostructure
Physics
Specific materials
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Summary:The structures and field electron emission properties of C60 fullerene nanowhiskers were investigated. The single crystalline C60 fullerene nanowhiskers were straight, surrounded by facets, and had a uniform submicrometer diameter along the long axis. Heat treatment of the nanowhiskers drastically transformed the inner structure from C60 crystal to glassy carbon, while the outer structure kept its original morphology despite heat treatment. Field electron microscopy images of the heat-treated nanowhiskers showed striped patterns, characteristic of an agglomerate of crumpled graphitic layers.
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2011.10.035