Paper Title:
Catalyst-Free Growth of Tin Oxide One-Dimensional Nanostructures on Silicon Nitride Substrates
  Abstract

We have obtained one-dimensional (1D) nanomaterials of tin oxide (SnO2) on silicon nitride (Si3N4)-coated Si substrates by carrying out the thermal evaporation of solid Sn powders and varying the substrate temperature in an Ar/O2 ambient gas. We analyzed the samples with scanning electron microscopy, X-ray diffraction, transmission electron microscopy and photoluminescence (PL). Reactions at a lower substrate temperature gave rise to thinner 1D structures. The obtained 1D nanomaterials were single crystalline with a tetragonal rutile structure. We proposed a vapor-solid process as the growth mechanism for SnO2 nanorods. The PL spectrum exhibited visible light emission.

  Info
Periodical
Edited by
Dragan P. Uskoković, Slobodan K. Milonjić and Dejan I. Raković
Pages
297-302
DOI
10.4028/www.scientific.net/MSF.555.297
Citation
S.H. Shim, H. W. Kim, C. Lee, D.J. Chung, S.G. Park, S.G. Lee, B.H. O, J. Kim, S.P. Chang, S.H. Lee, "Catalyst-Free Growth of Tin Oxide One-Dimensional Nanostructures on Silicon Nitride Substrates", Materials Science Forum, Vol. 555, pp. 297-302, 2007
Online since
September 2007
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$32.00
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