Structural, electrical and optical properties of indium chloride doped ZnO films synthesized by Ultrasonic Spray Pyrolysis technique

E. Zaleta-Alejandre, J. Camargo-Martinez, A. Ramirez-Garibo, M. L. Pérez-Arrieta, R. Balderas-Xicohténcatl, Z. Rivera-Alvarez, M. Aguilar-Frutis, C. Falcony

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Indium chloride doped zinc oxide (ZnO:In) thin films were deposited onto glass substrates using zinc acetate by Ultrasonic Spray Pyrolysis technique. The effect of substrate temperature, deposition time and acetic acid added to the spraying solution on the structural, electrical and optical properties of these ZnO:In films is reported. The films were in all cases polycrystalline with a hexagonal (wurtzite) structure, a transparency over 80% and resistivity of the order of 10- 3-10- 2 ω·cm. The resistivity was dependent on the volume % of acetic acid added to the spraying solution. The minimum resistivity value was obtained with a 5 vol.% acetic acid (pH = 3.71) at substrate temperature of 450 °C. The deposition rates obtained were as high as 180 Å·min- 1 at a substrate temperature of 450 °C.

Original languageEnglish
Pages (from-to)44-49
Number of pages6
JournalThin Solid Films
Volume524
DOIs
StatePublished - 1 Dec 2012
Externally publishedYes

Keywords

  • Acetic acid
  • Indium chloride doped zinc oxide
  • Transparent conductive films
  • Ultrasonic Spray Pyrolysis

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