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Multi-color Luminescence from Surface Oxidized Silicon

Published online by Cambridge University Press:  01 February 2011

Nanoparticles K. Sato ,
K. Hirakuri ,
M. Iwase ,
T. Izumi  and
H. Morisaki
Nanoparticles K. Sato
Affiliation:
Department of Electronic and Computer Engineering, Tokyo Denki University, Ishizaka, Hatoyama, Hikigun, Saitama, 350–0394, JAPAN Department of Electronics, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa, 259–1292, JAPAN
K. Hirakuri
Affiliation:
Department of Electronic and Computer Engineering, Tokyo Denki University, Ishizaka, Hatoyama, Hikigun, Saitama, 350–0394, JAPAN
M. Iwase
Affiliation:
Department of Materials Science, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa, 259–1292, JAPAN
T. Izumi
Affiliation:
Department of Electronics, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa, 259–1292, JAPAN
H. Morisaki
Affiliation:
Department of Electronic Engineering, The University of Electro-Communications, 1–5–1 Chofugaoka, Chofu, Tokyo, 182–8585, JAPAN
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Abstract

We fabricated the multi-color electroluminescent (EL) device using hydrofluoric (HF) acid solution treated and oxidized silicon (Si) nanoparticles. Strong red luminescence was obtained from the HF treated Si nanoparticles based EL device under a low forward bias of 4.0 V. On the other hand, green and blue luminescence, which could be seen with naked eye under room illumination, was observed for the oxidized Si nanoparitcles based EL device at the forward bias below 9.5 V, because of reduction of size due to oxidation onto the Si nanoparticle surface. Furthermore, the red/green/blue lights showed good stability for aging of a long period of time in air by the formation of oxidized layer on the surface. These results indicate that the EL devices developed in this study can realize as application to future flat panel display.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 789 , 2003 , N11.1
Copyright
Copyright © Materials Research Society 2004

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References

REFERENCES

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