Photoluminescence of Eu-Doped ZnO Phosphors

Yasufumi Hayashi; Hidetoshi Narahara; Teruo Uchida; Toru Noguchi; Sumiaki Ibuki

doi:10.1143/JJAP.34.1878

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Photoluminescence of Eu-Doped ZnO Phosphors

Yasufumi Hayashi, Hidetoshi Narahara, Teruo Uchida, Toru Noguchi and Sumiaki Ibuki

Copyright (c) 1995 The Japan Society of Applied Physics
Japanese Journal of Applied Physics, Volume 34, Part 1, Number 4A

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Author affiliations

Department of Electrical Engineering, Faculty of Engineering, Setsunan University, Neyagawa 572, Japan

Dates

Received 7 July 1994
Accepted 21 January 1995

Citation

Yasufumi Hayashi et al 1995 Jpn. J. Appl. Phys. 34 1878

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DOI

https://doi.org/10.1143/JJAP.34.1878

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Abstract

Characteristic 4f photoluminescence of Eu³⁺ doped into ZnO was first observed on the red band luminescence. The intensity and fine structures of the Eu³⁺ luminescence and their temperature dependence are strongly influenced by the doping conditions. In particular, for the increase of the Eu³⁺ luminescence intensity Li codoping is not effective but stoichiometric control of Zn and O is essential. Moreover, the observed red band luminescence can be considered to be due to excess oxygen.

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