The formation of small particles is important in many areas of science, including astronomy, material science, and the study of pollution. In an effort to elucidate the details of this process, this research explored the production and characterization of carbon particles. The particles were produced by the resistive heating of carbon rods in a reaction chamber at various pressures of helium. Samples were collected on substrates at distances of 15, 25, and 45 mm from the carbon rods. The average particle size increased with the sample collection distance from the carbon rods and with increasing chamber pressure. Crystals of disordered graphite and fullerenes were detected by electron diffraction in the samples collected at a distance of 45 mm and in a pressure of 100 torr. The ultraviolet/visible spectrum results indicated that fullerene concentration increased with sample collection distance from the arc.
| Identifer | oai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/291707 |
| Date | January 1996 |
| Creators | Minke, Mary Vickery, 1967- |
| Contributors | Seraphin, Supapan |
| Publisher | The University of Arizona. |
| Source Sets | University of Arizona |
| Language | en_US |
| Detected Language | English |
| Type | text, Thesis-Reproduction (electronic) |
| Rights | Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author. |
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