OPTICAL-PROPERTIES OF POROUS SILICON

被引：240
作者：
LOCKWOOD, DJ
机构：
[1] Institute for Microstructural Sciences, National Research Council Ottawa
来源：
SOLID STATE COMMUNICATIONS | 1994年 / 92卷 / 1-2期
关键词：
A NANOSTRUCTURES; A SEMICONDUCTOR; D OPTICAL PROPERTIES; E LIGHT ABSORPTION; E LUMINESCENCE;
D O I：
10.1016/0038-1098(94)90863-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The optical properties of porous Si films produced by electrochemical dissolution of Si are reviewed. From measurements of the optical absorption spectra an inverse relationship between the optical gap energy and the average nanoparticle size has been obtained demonstrating the quantum confinement of electron-hole pairs in Si nanocrystallites. There is also good agreement with theoretical predictions for Si quantum dots. A number of different sources of photoluminescence in anodized Si have been tentatively identified, and at least the red emission appears to be principally due to confinement in Si nanocrystallites.
引用
收藏
页码：101 / 112
页数：12
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