LUMINESCENT POROUS SILICON SYNTHESIZED BY VISIBLE-LIGHT IRRADIATION

被引：106
|
作者：
NOGUCHI, N
SUEMUNE, I
机构：
[1] Department of Physical Electronics, Faculty of Engineering, Hiroshima University, Higashihiroshima 724
来源：
APPLIED PHYSICS LETTERS | 1993年 / 62卷 / 12期
关键词：
D O I：
10.1063/1.108650
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Photosynthesis of porous silicon is reported for the first time with visible-light irradiation in a hydrofluoric acid solution, which does not need any electrodes for anodization. The photosynthesized porous layer consisted of microparticles, and the photoluminescence spectra were very close to those of anodized porous silicons. The formation of the porous layer was dependent on the wavelength of the incident light, and the simultaneous irradiation of an ultraviolet light did not form the porous layer. The mechanism is discussed with the quantum confinement model of the porous layer.
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页码：1429 / 1431
页数：3
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