Photoluminescence and chemical bonding in porous silicon layers - Dependence on the P concentration in the Si substrate

被引:10
作者
DimovaMalinovska, D [1 ]
Kamenova, M [1 ]
SendovaVassileva, M [1 ]
Marinova, T [1 ]
Krastev, V [1 ]
机构
[1] BULGARIAN ACAD SCI,INST GEN & INORGAN CHEM,BU-1113 SOFIA,BULGARIA
关键词
luminescence; electron microscopy; silicon; X-ray photoelectron spectroscopy;
D O I
10.1016/0040-6090(95)08064-3
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Correlation between the photoluminescence (PL), porosity, crystallite size and chemical bonds in porous silicon (PS) prepared by electrochemical etching of Si with different levels of phosphorus doping has been studied. PL is very strongly related to the chemical bonding and depends on the Si, O and C content which is different for PS prepared on Si substrates with different resistivities. The influence of the doping level of Si on the process of electrochemical etching is discussed.
引用
收藏
页码:248 / 252
页数:5
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