Identification of the C2∏-X2Σ+ band system of AlO in the ultraviolet galvanoluminescence obtained during aluminum anodization

Spectrochim Acta A Mol Biomol Spectrosc. 2011 Oct 15;81(1):672-8. doi: 10.1016/j.saa.2011.06.072. Epub 2011 Jul 6.

Abstract

The first galvanoluminescence spectrum in the ultraviolet region obtained during anodization of high purity aluminum samples annealed at temperature above 525°C is presented. An intense broad peak with the maximum at about 31,900 cm(-1) is assigned to the transitions (some of them heretofore unobserved) between vibrational levels of the C(2)∏→X(2)Σ(+) spectral system of AlO, partly overlapped with the A(2)Σ(+)→X(2)∏ system of OH.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aluminum / chemistry*
  • Aluminum / metabolism*
  • Aluminum Oxide / chemistry*
  • Electric Impedance
  • Electrodes
  • Ions / chemistry
  • Ions / metabolism*
  • Luminescence
  • Microscopy, Electron, Scanning
  • Models, Theoretical
  • Spectrum Analysis*
  • Surface Properties
  • Ultraviolet Rays

Substances

  • Ions
  • Aluminum
  • Aluminum Oxide