Two sources of excitation of photoluminescence of porous silicon View Full Text


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Article Info

DATE

1997-08

AUTHORS

N. E. Korsunskaya, T. V. Torchinskay, B. R. Dzhumaev, L. Yu. Khomenkova, B. M. Bulakh

ABSTRACT

The change occurring in the photoluminescence spectra and the photoluminescence excitation spectra during aging of porous-silicon samples in air and in vacuum has been investigated. It was found that the character of the photoluminescence changes occurring during aging depends on the wavelength of the exciting light: In the case of excitation in the visible-range band of the luminescence excitation spectrum (λexc>490 nm) the photoluminescence decreases and in the case of excitation in the ultraviolet band it predominantly increases. It is shown that the two bands of the luminescence excitation spectrum (visible and ultraviolet) correspond to two different objects on the surface of the porous layer. More... »

PAGES

773-776

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/1.1187246

DOI

http://dx.doi.org/10.1134/1.1187246

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1018816088


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