Growth of Eu-doped ZnO nanorods on silicon substrate by low temperature hydrothermal method

Title
Growth of Eu-doped ZnO nanorods on silicon substrate by low temperature hydrothermal method
Author(s)
박일규정용일백성호[백성호]
Keywords
NANOSTRUCTURES
Issue Date
201311
Publisher
ELSEVIER SCIENCE SA
Citation
THIN SOLID FILMS, v.546, pp.259 - 262
Abstract
Eu-doped ZnO nanorods (NRs) emitting several discrete lines in the visible spectrum were synthesized on silicon (100) substrates using a hydrothermal process. Structural investigations by transmission electron microscopy and X-ray diffraction showed that Eu atoms had been incorporated into the ZnO lattice without forming Eu-related alloys. The photoluminescence (PL) spectra showed discrete emission peaks from the 4% Eu-doped ZnO NRs, indicating that the doped Eu3+ ions in the ZnO NRs act luminescence centers. The PL intensity of specific emission peaks from the Eu-doped ZnO NRs increased after post thermal annealing at 500 degrees C assumed to be due to the annihilation of point defects in the ZnO crystal lattice. (C) 2013 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/28671http://dx.doi.org/10.1016/j.tsf.2013.04.072
ISSN
0040-6090
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공과대학 > 전자공학과 > Articles
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