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Aging behavior of porous silicon electrochemically etched with the aid of Zn

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Authors
Suh, K. Y.; Kim, Y. S.; Lee, Hong H.
Issue Date
2001-11-01
Publisher
American Institute of Physics
Citation
J. Appl. Phys. 90, 4485 (2001)
Keywords
PHOTOLUMINESCENCEORIGINBLUE
Abstract
Aging behavior of red, green, and blue photoluminescence from porous silicon formed by electrochemical etching aided with zinc has been studied over a 3 month time span. Time-resolved photoluminescence spectra and decay dynamics have revealed that there are two radiating states in Zn-aided porous silicon. One is the quantum confinement and the other is the oxygen-related defect. For green emission, the wavelength shifts from 520 to 420 nm and its photoluminescence spectra and decay behavior become very similar to those of blue emission.
ISSN
0021-8979
Language
English
URI
http://hdl.handle.net/10371/6267
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Journal Papers (저널논문_기계항공공학부)
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