Raman scattering and optical properties of lithium nanoparticles obtained by green synthesis

Ramón A.B. Álvarez, M. Cortez-Valadez, R. Britto-Hurtado, L. Oscar Neira Bueno, N. S. Flores-Lopez, A. R. Hernández-Martínez, R. Gámez-Corrales, R. Vargas-Ortiz, J. G. Bocarando-Chacon, H. Arizpe-Chavez, M. Flores-Acosta

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The first report on lithium nanoparticles synthesized experimentally is presented. The nanoparticles were obtained using the extract of Opuntia ficus-indica through "green synthesis". The optical, structural and vibrational properties were studied through optical absorption, TEM microscopy and Raman spectroscopy. The particles show a size of approximately 5 nm. The absorption bands were found at 315 and 415 nm in the samples after the synthesis of the nanoparticles. One Raman band was detected at around 280 cm-1. Several levels of approximation of the density functional theory and the Hartree-Fock method on the structural and vibrational study of the lithium clusters (Lin, n = 2-18) are incorporated. A radial breathing mode (RMB) type Raman mode was found for the case Lin (n > 3) in the predicted Raman spectrum. This mode shows the highest relative intensity for each case, and a shift to lower wavenumbers when the amount of atoms in the cluster increases.

Original languageEnglish
Pages (from-to)5-9
Number of pages5
JournalVibrational Spectroscopy
StatePublished - Mar 2015

Bibliographical note

Publisher Copyright:
© 2015 Published by Elsevier B.V.


  • DFT approximations
  • Green synthesis
  • Lithium nanoparticles
  • Radial breathing modes
  • Raman in metal nanoparticles


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