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CO2 laser-induced crystallization of sol-gel-derived indium tin oxide films

  • X. Y. Tao
  • , I. Fsaifes
  • , V. Koncar
  • , C. Dufour
  • , C. Lepers
  • , L. Hay
  • , B. Capoen
  • , M. Bouazaoui
  • ENSAIT/GEMTEX
  • UMR 8523–PhLAM–Physique des Lasers Atomes et Molécules
  • Institut d'Electronique de Microélectronique et de Nanotechnologie (IEMN)

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

Indium tin oxide (ITO) thin films prepared by the sol-gel method have been deposited by the dip-coating process on silica substrates. CO2 laser is used for annealing treatments. The electrical resistivity of sol-gel-derived ITO thin films decreased following crystallization after exposure to CO 2 laser beam. The topological and electrical properties of the irradiated surfaces have been demonstrated to be strongly related to the coating solution and to the laser processing parameters. Optimal results have been obtained for 5 dip-coating layers film from 0.4 mol/l solution irradiated by 0.6 W/m2 laser power density. In this case, homogeneous and optically transparent traces were obtained with a measured sheet resistance of 1.46×102 Ω/□.

langue originaleAnglais
Pages (de - à)741-749
Nombre de pages9
journalApplied Physics A: Materials Science and Processing
Volume96
Numéro de publication3
Les DOIs
étatPublié - 1 août 2009
Modification externeOui

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