VISIBLE PHOTOLUMINESCENCE FROM POROUS SILICON

被引：43

作者：

MURAYAMA, K ^{[1
]}

MIYAZAKI, S ^{[1
]}

HIROSE, M ^{[1
]}

机构：

[1] HIROSHIMA UNIV, DEPT ELECT ENGN, HIROSHIMA 724, JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1992年 / 31卷 / 9B期

关键词：

VISIBLE PHOTOLUMINESCENCE; POROUS SILICON; PHONON COUPLING; LUMINESCENCE CENTER; CONFIGURATIONAL COORDINATE DIAGRAM; EXCITATION SPECTRUM; QUANTUM SIZE EFFECT;

D O I：

10.1143/JJAP.31.L1358

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The photoluminescence properties of porous Si have been systematically investigated by detailed measurements of the excitation and emission spectra. The strong visible light emission is explained by a model in which the radiative recombination of electron-hole pairs created in the silicon nanostructure occurs through the luminescence centers with strong phonon coupling. A wide band gap energy of the porous Si layer compared to that of bulk Si can explain the excitation spectra of the luminescence.

引用

页码：L1358 / L1361

页数：4

共 17 条

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