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Title: Synthesis, structural and optical characterization of ZnO crystals grown in the presence of silver
Author: Rodrigues, J.
Soares, M. R. N.
Carvalho, R. G.
Fernandes, A. J. S.
Correia, M. R.
Monteiro, T.
Costa, F.M.
Keywords: ZnO
Zinc oxide
Laser assisted flow deposition
Issue Date: 2011
Publisher: Elsevier
Abstract: Zinc oxide microcrystals grown at atmospheric pressure by the laser assisted flow deposition method were characterized by morphological, structural and optical techniques. A set of samples with 0, 0.8, 2.0, 3.0 and 5.0 mol% nominal AgNO3 content were studied in order to analyse the influence of silver amount on the near band edge recombination. A detailed study of the samples' photoluminescence evidence that at room temperature the free exciton recombination occurs at ~3.334 eV for crystals grown in the presence of silver instead of the broad peak observed at ~3.28 eV for the undoped ones
Peer review: yes
DOI: 10.1016/j.tsf.2011.10.208
ISSN: 0040-6090
Appears in Collections:DFis - Artigos
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