C 1s photoemission and shake-up features of (C59N)2

K. Schulte, L. Wang, K. Prassides, N. Tagmatarchis, P. J. Moriarty

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3 Citations (Scopus)

Abstract

We report on a study of the C 1s shake-up spectrum for bulk films of (C59N)2 and find a previously unobserved peak at 1.05 eV from the main line. This new peak can be attributed to the C 1s binding energy of sp2-like carbon atoms bound directly to nitrogen. We further analyse the spectrum by comparing it to a convolution of valence band and x-ray absorption spectra, which closely mimics the transitions possible in the presence of a core hole. The shake-up spectrum represents on-site excitons, and their onset is consistent with the optical gap of 1.4 eV.

Original languageEnglish
Article number072024
JournalJournal of Physics: Conference Series
Volume100
Issue numberPART 7
DOIs
Publication statusPublished - 2008 Mar 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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