Full-color electroluminescence from ZnO-based heterojunction diodes

被引：55
作者：
Nakamura, A.
Ohashi, T.
Yamamoto, K.
Ishihara, J.
Aoki, T.
Temmyo, J.
Gotoh, H.
机构：
[1] Shizuoka Univ, Elect Res Inst, Hamamatsu, Shizuoka 4328011, Japan
[2] NTT Corp, Basic Res Labs, Kanagawa 2430198, Japan
来源：
APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 09期
关键词：
D O I：
10.1063/1.2709913
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Red, green, and blue electroluminescence have been observed from ZnO-based heterojunction diodes consisting of n-ZnO/n-MgyZn1-yO/Zn1-xCdxO/p-SiC layers. The heterostructures were grown by remote-plasma-enhanced metal-organic chemical vapor deposition. The rectifying I-V characteristics at room temperature reveal the red, green, and blue wavelengths near 720, 520, and 480 nm, respectively, when the diodes are forward biased. It is observed that the emission color can be controlled by changing the cadmium content in the emission layer. (c) 2007 American Institute of Physics.
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