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Methylation of C-60 using the modified hot filament chemical vapour deposition method
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Vieira, S. M. C., Kotsiris, S. G., Drewello, Thomas, Rego, C. A. and Birkett, P. R. (2008) Methylation of C-60 using the modified hot filament chemical vapour deposition method. In: 8th Biennial International Workshop on Fullerenes and Atomic Clusters (IWFAC 2007), St Petersburg, Russia, Jul 02-06, 2007. Published in: Fullerenes, Nanotubes, and Carbon Nanostructures, Vol.16 (No.5-6). pp. 404-411. doi:10.1080/15363830802281708 ISSN 1536-383X.
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Official URL: http://dx.doi.org/10.1080/15363830802281708
Abstract
The methylation of C-60 was performed via a gas-phase reaction in a CH4/H-2 atmosphere using a modified hot filament chemical vapour deposition (HFCVD) method. Pressures were varied from 20-45 torr, substrate temperatures set at 690 degrees C and reaction times up to 15 minutes. High-resolution matrix-assisted laser desorption ionisation (MALDI) mass spectrometry was used to determine the synthetic route of the methylated products through accurate mass measurements. The analysis established the production of C60H18-2n(H,CH3)(n) (n=1-3). Collision-induced dissociation experiments confirmed a maximum of 18 ligands possible to the C-60 cage. The formation of carbon spheres with diameters up to 25 mu m on the surface of the tungsten filament subsequent to HFCVD is also reported.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Library of Congress Subject Headings (LCSH): | Buckminsterfullerene, Methylation, Chemical vapor deposition, Matrix-assisted laser desorption-ionization, Carbon | ||||
Journal or Publication Title: | Fullerenes, Nanotubes, and Carbon Nanostructures | ||||
Publisher: | Taylor & Francis Inc. | ||||
ISSN: | 1536-383X | ||||
Official Date: | 2008 | ||||
Dates: |
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Volume: | Vol.16 | ||||
Number: | No.5-6 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 404-411 | ||||
DOI: | 10.1080/15363830802281708 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Description: | Special Issue: Proceedings of the 8th Biennial International Workshop “Fullerenes and Atomic Clusters” |
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Title of Event: | 8th Biennial International Workshop on Fullerenes and Atomic Clusters (IWFAC 2007) | ||||
Type of Event: | Workshop | ||||
Location of Event: | St Petersburg, Russia | ||||
Date(s) of Event: | Jul 02-06, 2007 |
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