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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1995),
  • paper QThG31

Ultrafast carrier dynamics in porous silicon

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Abstract

The discovery in 1990 that porous silicon is a strong visible-light emitter at room temperature1 has challenged the conventional wisdom that silicon, is, not a useful semiconductor for light-emitting devices.2 Light-emitting porous silicon is made of a large density of nanometer-size silicon quantum dots whose surface is nearly perfectly passivated by silicon hydrides or silicon dioxide.

© 1995 Optical Society of America

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