POROUS SILICON - WHAT IS RESPONSIBLE FOR THE VISIBLE LUMINESCENCE

被引:46
作者
SAILOR, MJ [1 ]
KAVANAGH, KL [1 ]
机构
[1] UNIV CALIF SAN DIEGO,DEPT ELECT & COMP ENGN,LA JOLLA,CA 92093
关键词
D O I
10.1002/adma.19920040613
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Size-dependent quantum confinement effects have been invoked to explain the occurrence of visible luminescence in porous silicon and TEM data supports the existence of crystalline Si domains which have dimensions small enough that one could expect such phenomena. However, is this the whole story? Various proposed explanations are discussed, and the recent observation of luminescence in Si colloidal suspensions examined.
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页码:432 / 434
页数:3
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