Chemiluminescence of anodized and etched silicon: Evidence for a luminescent siloxene-like layer on porous silicon

Paul McCord; Shueh Lin Yau; Allen J. Bard

doi:10.1126/science.257.5066.68

Chemiluminescence of anodized and etched silicon: Evidence for a luminescent siloxene-like layer on porous silicon

Paul McCord, Shueh Lin Yau, Allen J. Bard

Department of Chemistry

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188 Scopus citations

Abstract

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 (Si₆H ₆O₃) prepared from CaSi₂ suggests that the visible emission seen with porous Si can be attributed to this substance.

Original language	English
Pages (from-to)	68-69
Number of pages	2
Journal	Science
Volume	257
Issue number	5066
DOIs	https://doi.org/10.1126/science.257.5066.68
State	Published - 1992

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abstract = "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 (Si6H 6O3) prepared from CaSi2 suggests that the visible emission seen with porous Si can be attributed to this substance.",

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AU - Yau, Shueh Lin

AU - Bard, Allen J.

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N2 - 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 (Si6H 6O3) prepared from CaSi2 suggests that the visible emission seen with porous Si can be attributed to this substance.

AB - 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 (Si6H 6O3) prepared from CaSi2 suggests that the visible emission seen with porous Si can be attributed to this substance.

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Chemiluminescence of anodized and etched silicon: Evidence for a luminescent siloxene-like layer on porous silicon

Abstract

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