CHEMILUMINESCENCE OF ANODIZED AND ETCHED SILICON - EVIDENCE FOR A LUMINESCENT SILOXENE-LIKE LAYER ON POROUS SILICON

被引：164

作者：

MCCORD, P

YAU, SL

BARD, AJ

机构：

[1] Department of Chemistry and Biochemistry, University of Texas at Austin, Austin

来源：

SCIENCE | 1992年 / 257卷 / 5066期

关键词：

D O I：

10.1126/science.257.5066.68

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Treatment of anodized or chemically etched silicon ("porous silicon") with dilute nitric acid or persulfate solution results in weak chemiluminescence in the visible region. Concentrated nitric acid reacts violently with porous Si produced by anodization with a bright flash of light. The fact that similar reactions occur with siloxene (Si6H6O3) prepared from CaSi2 suggests that the visible emission seen with porous Si can be attributed to this substance.

引用

页码：68 / 69

页数：2

共 17 条

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