Formation of nanocarbon and composite materials by laser vaporization of graphite and eleven metals

Fumio Kokai; Akira Koshio; Keita Kobayashi; Hiroshi Deno

doi:10.1117/12.761065

14 February 2008 Formation of nanocarbon and composite materials by laser vaporization of graphite and eleven metals

Fumio Kokai, Akira Koshio, Keita Kobayashi, Hiroshi Deno

Proceedings Volume 6879, Photon Processing in Microelectronics and Photonics VII; 68791F (2008) https://doi.org/10.1117/12.761065
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

Eleven metals were laser-vaporized with carbon into Ar gas, and the growth of various nanocabon and composite materials were investigated. Controlling the Ar gas pressure and the metal content for Fe, Co, Ni, Cu, and Ag enabled the high yield (~70%) fabrication of single-wall carbon nanohorn particles including metal- or carbide-containing carbon nanocapsules. With the use of B, multi-wall carbon nanotubes were grown with a high yield of ~50%. For Al, Si, La, Y, and Gd, products such as carbide particles, polyhedra, and sea-urchin-type single-wall carbon nanotubes were formed. We will discuss the growth of these structures based on metal-catalyzed graphitization together with thermal graphitization.

Citation Download Citation

Fumio Kokai, Akira Koshio, Keita Kobayashi, and Hiroshi Deno "Formation of nanocarbon and composite materials by laser vaporization of graphite and eleven metals", Proc. SPIE 6879, Photon Processing in Microelectronics and Photonics VII, 68791F (14 February 2008); https://doi.org/10.1117/12.761065

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