What can be learned from time resolved measurements on porous silicon luminescence

  • J. C. Vial
Part of the Centre de Physique des Houches book series (LHWINTER, volume 1)

Abstract

The transient behavior of light emission has been known for a long time; the so called phosphorescence of many organic compounds or color centers in inorganic insulators can be easily observed by the naked eye for example. Many people have played with a clock whose needles and numbers are coated with a phosphor and remember the slow vanishing of the emitted light after they have illuminated the clock for a short time. By doing that they have performed a luminescence time resolved experiment and have verified that the luminescence lifetime of this particular phosphor is of the order of an hour. Some of them may have verified that this lifetime is the same for various excitation intensities or excitation times.

Keywords

Porosity Argon Recombination Auger Nash 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • J. C. Vial
    • 1
  1. 1.Laboratoire de Spectrométrie Physique, URA 08 du CNRSUniversité Joseph Fourier de GrenobleSaint Martin d’Hères cedexFrance

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