Photofragmentation of C60

H. Hohmann, R. Ehlich, S. Furrer, O. Kittelmann, J. Ringling, E. E.B. Campbell

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Photo-ionisation and -fragmentation of C60 by 15 ns excimer laser pulses at 308 nm and 193 nm as well as 0.8 ps laser pulses at 193 nm has been studied with reflectron time-of-flight mass spectrometry. The initial fragmentation process is ejection of Cn, n>2, as opposed to successive C2 evaporation. Studies of the relative intensities of metastable fragmentation processes compared with direct fragmentation provide new insight into the fragmentation mechanism and provide a thermometer for the internal energy of C60+ prior to fragmentation. The proposed mechanism is in agreement with measurements of the fragment ion kinetic energies. The results are compared with molecular dynamics simulations.

Original languageEnglish
Pages (from-to)143-151
Number of pages9
JournalZeitschrift für Physik D Atoms, Molecules and Clusters
Issue number2
StatePublished - Jun 1995


  • 33.80.Eh
  • 33.90.+h
  • 36.90.+f


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