Mechanism of carbon nanotube synthesis by laser ablation

Andre A. Gorbunov; A. Graff; O. Jost; Wolfgang Pompe

doi:10.1117/12.431225

26 June 2001 Mechanism of carbon nanotube synthesis by laser ablation

Andre A. Gorbunov, A. Graff, O. Jost, Wolfgang Pompe

Proceedings Volume 4423, Nonresonant Laser-Matter Interaction (NLMI-10); (2001) https://doi.org/10.1117/12.431225
Event: Nonresonant Laser-Matter Interaction (NLMI-10), 2000, St. Petersburg, Russian Federation

Abstract

Qualitative analysis of the gas-dynamical phenomena by the laser ablation of graphite under conditions of single-wall carbon nanotubes (SWNTs) suggests to reconsider the currently assumed mechanisms of SWNT formation in this technique and to conclude that it is a form of solid-liquid- solid catalytic graphitization of amorphous carbon or other imperfect carbon forms. The prosed mechanism of melting of catalyst particles followed by precipitation of SWNTs allows to explain the observed dependencies of the SWNT yield on the synthesis temperature and pressure. Critical inspection of the literature data shows that it might also play a role in other physical and chemical deposition techniques of SWNT synthesis.

Citation Download Citation

Andre A. Gorbunov, A. Graff, O. Jost, and Wolfgang Pompe "Mechanism of carbon nanotube synthesis by laser ablation", Proc. SPIE 4423, Nonresonant Laser-Matter Interaction (NLMI-10), (26 June 2001); https://doi.org/10.1117/12.431225

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