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Issue 17, 2013
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Photoluminescence of core–shell nanoparticles made from yttrium stabilized zirconia powder grain coated with alumina

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Abstract

A YSZ@Al2O3 nanocomposite was obtained by Al2O3 coating on the surface of yttrium stabilized zirconia via a polymeric precursor method. The resulting core–shell structures were characterized by X-ray diffraction, scanning electron microscopy, transmission electronic microscopy and PL spectra. The TEM micrographs clearly show a homogeneous Al2O3 shell around the ZrO2 core. The observed PL is related to surface–interface defects. Such novel technologies can, in principle, explore materials which are not available in the bulk single crystal form but their figure-of-merit is dramatically dependent on the surface–interface defect states.

Graphical abstract: Photoluminescence of core–shell nanoparticles made from yttrium stabilized zirconia powder grain coated with alumina

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Publication details

The article was received on 20 Dec 2012, accepted on 28 Feb 2013 and first published on 01 Mar 2013


Article type: Communication
DOI: 10.1039/C3CE27071H
CrystEngComm, 2013,15, 3292-3295

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    Photoluminescence of core–shell nanoparticles made from yttrium stabilized zirconia powder grain coated with alumina

    R. F. Gonçalves, J. T. O. Figueiredo, A. T. de Figueiredo, M. S. Li, E. Longo and M. J. Godinho, CrystEngComm, 2013, 15, 3292
    DOI: 10.1039/C3CE27071H

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