Fullerene synthesis from carbon powder using CW-CO2 laser

Seisuke Kano; Masamichi Kohno; Kaname Sakiyama; Shinya Sasaki; Hirofumi Shimura

doi:10.1117/12.478570

17 October 2003 Fullerene synthesis from carbon powder using CW-CO₂ laser

Seisuke Kano, Masamichi Kohno, Kaname Sakiyama, Shinya Sasaki, Hirofumi Shimura

Proceedings Volume 4977, Photon Processing in Microelectronics and Photonics II; (2003) https://doi.org/10.1117/12.478570
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States

Abstract

A semi-continuous process for the synthesis of fullerenes is described. This novel process incorporated a carbon powder feed system in combination with a continuous-wave CO₂ laser irradiation source. The carbon powder contained no fullerenes but did contain graphite crystals and amorphous carbons of selected particle sizes (5, 10, or 20 μm), and selected irregular or spherical particle shapes. The method was successfully used to deposit C₆₀ and C₇₀ powders and films continuously. Laser irradiation of the carbon powder produced an observable laser plume. The experimental results and mechanism for the process are discussed.

Citation Download Citation

Seisuke Kano, Masamichi Kohno, Kaname Sakiyama, Shinya Sasaki, and Hirofumi Shimura "Fullerene synthesis from carbon powder using CW-CO₂ laser", Proc. SPIE 4977, Photon Processing in Microelectronics and Photonics II, (17 October 2003); https://doi.org/10.1117/12.478570

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