Optical properties of endohedral LiΓ60

A. Gromov, N. Krawez, A. Lassesson, D. I. Ostrovskii, E. E.B. Campbell

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

UV-VIS-IR and Raman investigations have been carried out on purified LiΓ60 produced by low energy ion implantation of C60. Two endohedral fractions can be isolated that have very different optical properties and stabilities. Here we show that the first endohedral fraction is a dimer species and the second fraction is the monomer. The IR spectra of sublimed monomer films show a prominent peak at around 1.1 μm corresponding to the first electronic transition of the C-60 anion. Raman spectra show the vibrational-rotational movement of the Li inside the carbon cage.

Original languageEnglish
Pages (from-to)51-55
Number of pages5
JournalCurrent Applied Physics
Volume2
Issue number1
DOIs
StatePublished - 2002

Keywords

  • Endohedral fullerenes
  • IR spectroscopy
  • Raman spectroscopy
  • UV-VIS spectroscopy

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