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Comparative structural-vibrational study of nano-urchin and nanorods of vanadium oxide
Lavayen, Vladimir; O'Dwyer, Colm; Santa-Ana, María A.; Newcomb, Simon B.; Benavente, Eglantina; Gonzalez, Guillermo; Sotomayor Torres, Clivia M.
We present a comparative structural–vibrational study of nanostructured systems of V2O5: nano-urchin (VONURs) which are spherical structures composed of a radially oriented array of VOx nanotubes (VOx-NTs) with a volumetric density of ∼40 sr–1, and vanadium oxide nanorods (VOx-NRDs) with an average length of ∼100 nm. The Raman scattering spectrum of the nano-urchin exhibits a band at 1014 cm–1 related to the distorted gamma conformation of the vanadium pentoxide (γ-V5+). The infrared vibrational spectra of the nanorods sample also exhibit a distorted laminar V2O5 structure with evidence observed for quadravalent V4+ species at 921 cm–1.
Keyword(s): 61.46.Fg; 63.22.+m; 78.30.Hv; 81.07.Pr; Nanorods; Nanotubes; Raman scattering
Publication Date:
Type: Journal article
Peer-Reviewed: Yes
Language(s): English
Institution: University College Cork
Funder(s): Science Foundation Ireland
Citation(s): Lavayen, V., O'Dwyer, C., Santa Ana, M. A., Newcomb, S. B., Benavente, E., Gonzalez, G. and Sotomayor Torres, C. M. (2006) 'Comparative structural-vibrational study of nano-urchin and nanorods of vanadium oxide'. Physica Status Solidi B-Basic Solid State Physics, 243(13), pp. 3285-3289.
Publisher(s): Wiley -VCH Verlag
File Format(s): application/pdf
First Indexed: 2016-07-13 05:37:27 Last Updated: 2016-10-14 06:29:49