Double photoionization of C60 and C70 in the valence region

J. Kou, T. Mori, S. V.K. Kumar, Y. Haruyama, Y. Kubozono, K. Mitsuke

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23 Citations (Scopus)

Abstract

The photoion yields for production of C2+60 and C2+70 were measured in the Hv range from 25 to 150 eV. The photon flux of the synchrotron radiation was estimated by measuring the photocurrent from a silicon photodiode. The fullerene ions produced in the interaction region were extracted by a pulsed electric field and mass-separated by a time-of-flight mass spectrometer. The yield ratios of of the ions were found to be larger than unity at hv>50 eV. This suggests that the slightly charged ions produced by the spectator Auger ionization rapidly emit another electron to form C2+60 or C2+70.

Original languageEnglish
Pages (from-to)6005-6009
Number of pages5
JournalJournal of Chemical Physics
Volume120
Issue number13
DOIs
Publication statusPublished - Apr 1 2004

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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