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Proceedings Paper

Non-linear effects in luminescence of ZnO inverted opals
Author(s): W. Khunsin; P. Lovera; G. Redmond; C. M. Sotomayor Torres; M. Scharrer; L. Aagesen; R. P. H. Chang; S. G. Romanov
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Paper Abstract

Photoluminescence spectra of the ZnO carcass of inverted opal have been examined in the conditions of the strong lightto-structure interaction achieved by matching the photonic bandgaps of these photonic crystals to different parts of the ZnO emission spectrum. Developing the bands of enhanced spontaneous emission associated with both the emission of ZnO defects and the emission due to interband electron transitions has been observed. Interpretation has been given taking into account the coupling of emission to eigenmodes of 3-dimensional photonic crystal and the nature of the electron states involved in the radiative relaxation.

Paper Details

Date Published: 6 May 2008
PDF: 11 pages
Proc. SPIE 6989, Photonic Crystal Materials and Devices VIII, 69890R (6 May 2008); doi: 10.1117/12.780877
Show Author Affiliations
W. Khunsin, Tyndall National Institute, Univ. College Cork (Ireland)
P. Lovera, Tyndall National Institute, Univ. College Cork (Ireland)
G. Redmond, Tyndall National Institute, Univ. College Cork (Ireland)
C. M. Sotomayor Torres, Tyndall National Institute, Univ. College Cork (Ireland)
Catalan Institute for Research and Advanced Studies (Spain)
Catalan Institute of Nanotechnology (Spain)
M. Scharrer, Northwestern Univ. (United States)
L. Aagesen, Northwestern Univ. (United States)
R. P. H. Chang, Northwestern Univ. (United States)
S. G. Romanov, Tyndall National Institute, Univ. College Cork (Ireland)
Ioffe Physical Technical Institute (Russia)


Published in SPIE Proceedings Vol. 6989:
Photonic Crystal Materials and Devices VIII
Richard M. De La Rue; Ceferino López; Michele Midrio; Pierre Viktorovitch, Editor(s)

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