Laser vaporization synthesis of carbon materials in the presence of high pressure Ar gas

Fumio Kokai; Akira Koshio; Atsuko Nakayama; Kunimitsu Takahashi; D. Kasuya; K. Hirahara; Yoshinori Koga; Sumio Iijima

doi:10.1117/12.528904

15 July 2004 Laser vaporization synthesis of carbon materials in the presence of high-pressure Ar gas

Fumio Kokai, Akira Koshio, Atsuko Nakayama, Kunimitsu Takahashi, D. Kasuya, K. Hirahara, Yoshinori Koga, Sumio Iijima

Proceedings Volume 5339, Photon Processing in Microelectronics and Photonics III; (2004) https://doi.org/10.1117/12.528904
Event: Lasers and Applications in Science and Engineering, 2004, San Jose, Ca, United States

Abstract

Laser vaporization of graphite was carried out in the presence of high pressure Ar gas of 0.1-0.8 MPa. We compared the growth processes of three synthesized graphitic carbon particles: single-wall carbon nanohorn, multi-layer graphene, and polyhedral graphite particles. We believe graphitization processes occurred from supersaturated hot carbon vapor, dependent on resident carbon densities and their temperature gradients, lead to the growth of the three graphitic particles.

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Fumio Kokai, Akira Koshio, Atsuko Nakayama, Kunimitsu Takahashi, D. Kasuya, K. Hirahara, Yoshinori Koga, and Sumio Iijima "Laser vaporization synthesis of carbon materials in the presence of high-pressure Ar gas", Proc. SPIE 5339, Photon Processing in Microelectronics and Photonics III, (15 July 2004); https://doi.org/10.1117/12.528904

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