Sai Baba, M. ; Lakshmi Narasimhan, T. S. ; Balasumbramanian, R. ; Mathews, C. K. (1993) Electron impact ionisation of fullereness: appearance energies of C+60, C2+60 and C3+60 International Journal of Mass Spectrometry and Ion Processes, 125 (1). R1-R5. ISSN 0168-1176
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/016811...
Related URL: http://dx.doi.org/10.1016/0168-1176(93)80019-B
Abstract
The ionisation efficiency curves for the production of singly, doubly and triply charged ions from C60 by electron impact are reported for the first time up to an electron energy of 80 eV. Appearance energies were derived by linear extrapolation of ionisation efficiency curves and found to be 8.1 ± 0.5, 18.4 ± 0.5 and 33.2 ± 1.0 eV respectively for C+60, C2+60 and C3+60. The shape of the ionisation efficiency curves suggests the participation of several excited states in the ionisation process. Relative abundances of the three ions at various electron energies are also presented.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Appearance Energies; Clsuters C60 Fullerenes; Buckminsterfullerence |
| ID Code: | 25400 |
| Deposited On: | 06 Dec 2010 13:27 |
| Last Modified: | 06 Jun 2011 11:25 |
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