Microstructure Study of Photoluminescent Porous Silicon
WENG Yu-min, ZONG Xiang-fu
Materials Science Institute, Fudan University, Shanghai 200433
Microstructure Study of Photoluminescent Porous Silicon
WENG Yu-min;ZONG Xiang-fu
Materials Science Institute, Fudan University, Shanghai 200433
关键词 ：
61.43.+w ,
78.55.-m
Abstract ： We have studied the microstructure and photoluminescent properties of porous Si. High resolution observations revealed that the microstructure of porous Si consists with nano-crystallites Si embedded in the surrounding amorphous matrix. The structure of nano-crystallites of porous Si is not consistent with the usual diamond structure of bulk Si. The photoluminescence from porous Si is due to the quantum confinement of carriers in this structure.
Key words ：
61.43.+w
78.55.-m
出版日期: 1996-01-01
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