Microemulsion synthesis and characterization of aluminum doped ZnO nanorods

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Abstract

Aluminium doped ZnO (AZO) nanorods were synthesized by microemulsion method with different types of surfactants. Scanning electron microscopy observations show that the ZnO nanorods have diameters around about 80 nm and lengths up to several micrometers. The room temperature photoluminescence (PL) spectrum of AZO nanorods exhibited a sharp and strong ultraviolet bandgap at 383 nm and a relatively weaker emission associated with the defect level. AZO nanorods synthesized with sodium benzene sulfonate (SBS) surfactant showed lower resistivity than aluminum doped ZnO nanorods synthesized with dodecyl benzene sulfonic acid sodium salt (DBS) surfactant. Resistivity of AZO nanorods synthesized with SBS surfactant showed 2.8×103 ωcm.

Original languageEnglish
Pages (from-to)771-775
Number of pages5
JournalCrystal Research and Technology
Volume45
Issue number7
DOIs
StatePublished - Jul 2010

Keywords

  • Microemulsion
  • Photoluminescence
  • ZnO nanorods

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