Structural and optical properties of nanoparticles (V, Al) co-doped ZnO synthesized by sol-gel processes

Journal ar
Superlattices and Microstructures
  • Volumen: 64
  • Fecha: 11 November 2013
  • Páginas: 451-459
  • ISSN: 07496036 10963677
  • Source Type: Journal
  • DOI: 10.1016/j.spmi.2013.10.018
  • Document Type: Article
ZnO, Zn0.9V0.1O and Zn0.89V 0.1Al0.01O nanoparticles have been prepared by a sol-gel method and their structural and optical properties have been investigated. The obtained nanopowder was characterised by various techniques such as X-ray diffraction (XRD), transmission electron microscopy (TEM) and photoluminescence (PL) spectroscopy. After thermal treatment at 500 C in air, the powder of Zn0.89V0.1Al0.01O with an average particle size of 25 nm presents a strong luminescence band in the visible range. The PL band energy position presents a small blue shift with the increase of measurement temperature. Different possible attributions of this emission band will be discussed.

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