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An evaluation of nanostructured zinc oxide as a fluorescent powder for fingerprint detection

  • Mi Jung Choi
  • , Katie E. McBean
  • , Ping Hei R. Ng
  • , Andrew M. McDonagh
  • , Philip J. Maynard
  • , Chris Lennard
  • , Claude Roux

Research output: Contribution to journalArticlepeer-review

87 Citations (Scopus)

Abstract

Zinc oxide is evaluated as a fluorescent powder for the detection of fingermarks on non-porous surfaces. Pure and lithium-doped nanostructured zinc oxide powders were characterized using scanning electron microscopy, X-ray diffraction, and fluorescence spectroscopy. The zinc oxide powders were applied to fresh and aged fingermarks deposited on non-porous surfaces such as glass, polyethylene and aluminium foil. Zinc oxide was found to produce clear fluorescent impressions of the latent fingermarks when illuminated with long-wave UV light.
Original languageEnglish
Pages (from-to)732-737
Number of pages6
JournalJournal of Materials Science
Volume42
Issue number2
DOIs
Publication statusPublished - 2008

Keywords

  • X ray diffraction
  • biometrics
  • fingerprints
  • fluorescence
  • forensic sciences
  • zinc oxide

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