Room temperature synthesis and characterization of CdO nanowires by chemical bath deposition (CBD) method

D. S. Dhawale, A. M. More, S. S. Latthe, K. Y. Rajpure, C. D. Lokhande

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Abstract

A chemical synthesis process for the fabrication of CdO nanowires is described. In the present work, transparent and conductive CdO films were synthesized on the glass substrate using chemical bath deposition (CBD) at room temperature. These films were annealed in air at 623 K and characterized for the structural, morphological, optical and electrical properties were studied by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), optical and electrical resistivity. The XRD analysis showed that the as-deposited amorphous can be converted in to polycrystalline after annealing. Annealed CdO nanowires are 60-65 nm in diameter and length ranges typically from 2.5 to 3 μm. The optical properties revealed the presence of direct and indirect band gaps with energies 2.42 and 2.04 eV, respectively. Electrical resistivity measurement showed semiconducting behavior and thermoemf measurement showed n-type electrical conductivity.

Original languageEnglish
Pages (from-to)3269-3273
Number of pages5
JournalApplied Surface Science
Volume254
Issue number11
DOIs
Publication statusPublished - 30 Mar 2008

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Keywords

  • Cadmium oxide
  • Chemical bath deposition
  • Nanowires
  • Optical and electrical studies
  • Structural

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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