High surface textured SnO 2 hybrid thin films fabricated using the nozzle-spraying process for solar cell applications

Li Wei Chou, Yang Yi Lin, Albert T. Wu

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

High-texture surface tin oxide transparent conductive oxide thin films were directly deposited using the atmospheric pressure chemical vapor deposition technique on nanoparticle-coated glass substrates. A simple nozzle-spraying process was developed for the tin oxide nanoparticle coating process for the high-texture tin oxide thin films. The nozzle-spraying process caused the surface morphology of the tin oxide films to change from a pyramidal shape to a flower-like double texture. The optimum nanoparticle-coated tin oxide thin films have a haze value of 35.0 ± 4.0% and an average visible optical transmittance of 80.6 ± 2.2% in the wavelength range of 400-900 nm. The carrier concentration and mobility of the film were 1.3 ± 0.3 × 10 20 cm -3 and 4.0 ± 0.6 cm 2 V -1 s -1 , respectively. The morphological evolution of the tin oxide thin films was apparent on the hetero-surface of the amorphous glass and multicrystalline tin oxide nanoparticle. This result indicates that the crystalline tin oxide nanoparticle has an important role in the fabrication of the flower-like double texture, and the texture tin oxide thin films are promising transparent conductive oxide materials for thin film solar cells.

Original languageEnglish
Pages (from-to)30-34
Number of pages5
JournalApplied Surface Science
Volume277
DOIs
StatePublished - 15 Jul 2013

Keywords

  • Chemical vapor deposition
  • Nozzle-spraying process
  • Surface-textured
  • Thin-film solar cells
  • Tin oxide thin films
  • Transparent conducting oxide

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