Porous Silicon: Surface Chemistry

Diaz, D. C.; Campbell, Joe C.; Tsai, Chuen-Tinn

doi:10.1142/9789812812995_0013

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Cited by 7 publications

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“…Different authors concluded from their experiment results that carriers originate in the Si nano-structure (nano-wires/nano-particles) and recombine on the surface leading to light emission 1,3,4,5,7,8 . However, there is no clear justification on why should carriers originate in the Si core and recombine at the surface.…”

Section: Introductionmentioning

confidence: 99%

Virtual bands model in porous silicon

Alfeeli

Habib

2002

SPIE Proceedings

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Several models were presented in literature to explain the photoluminescence of porous silicon, suggesting carriers originate in Si nano-structure and recombine on the surface. None of the models have a clear justification on such carriers generation and carriers dynamics with respect to the mass conservation law, since the carriers are known to originate in one place and recombine in other. In this investigation a qualitative model, namely, the Virtual Band Model (VBM) is proposed to fill in the gabs which are raised in literature.

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Section: Introductionmentioning

confidence: 99%

Virtual bands model in porous silicon

Alfeeli

Habib

2002

SPIE Proceedings

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Surface chemistry of Luminescent Silicon Nanocrystallites

1997

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The rational modification of porous and single‐crystalline silico surfaces is of particular interest for technologies based on silicon. Porous silicon, such as the layer shown in the Figure, has many potential technological applications. In this review of chemical reactions developed for Si surface modification, both extensions of the chemistry of molecular Si compounds to surfaces and new surface chemistry are treated.

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