Mechanisms of ZnO Luminescence in the Visible Spectral Region
- Authors: Rodnyi P.A.1, Chernenko K.A.1, Venevtsev I.D.1
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Affiliations:
- Peter the Great St. Petersburg Polytechnic University
- Issue: Vol 125, No 3 (2018)
- Pages: 372-378
- Section: Spectroscopy of Condensed States
- URL: https://ogarev-online.ru/0030-400X/article/view/165792
- DOI: https://doi.org/10.1134/S0030400X18090205
- ID: 165792
Cite item
Abstract
Existing models of zinc oxide luminescence in the visible spectral region are considered and comparatively analyzed. Experiments are performed with ceramics obtained from initial ZnO powder and ZnO powders annealed in vacuum (ZnO-vac) and in air (ZnO-air). The luminescence characteristics of the ceramics, namely, emission and excitation spectra, kinetics, and temperature stability, are studied. The ZnO-vac ceramics exhibits green luminescence caused by neutral oxygen vacancies. The luminescence of ZnO-air ceramics is shifted to the red and is presumably related to residual lithium impurity. The ceramics differ in the luminescence excitation spectra, time characteristics, and temperature stability.
About the authors
P. A. Rodnyi
Peter the Great St. Petersburg Polytechnic University
Author for correspondence.
Email: Rodnyi@physics.spbstu.ru
Russian Federation, St. Petersburg, 195251
K. A. Chernenko
Peter the Great St. Petersburg Polytechnic University
Email: Rodnyi@physics.spbstu.ru
Russian Federation, St. Petersburg, 195251
I. D. Venevtsev
Peter the Great St. Petersburg Polytechnic University
Email: Rodnyi@physics.spbstu.ru
Russian Federation, St. Petersburg, 195251
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