Dielectric Effects in the Photoluminescence from Porous Silicon
β Scribed by Diener, J. ;Kovalev, D. ;Polisski, G. ;Koch, F.
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 100 KB
- Volume
- 182
- Category
- Article
- ISSN
- 0031-8965
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The e β ect of di β erent polarization orientations of the excitation source on the Raman and photoluminescence (PL) spectra of a porous silicon (PS) layer within two di β erent micro-regions was investigated. Two micro-regions (2 lm) along the (100) direction were studied, close to the crystalline sil
A photoluminescence (PL) response (S-band) of porous silicon to specific amounts of organic vapors of n-hexane, toluene and methanol in gas phase reveals the presence of two reversible processes: one relatively fast responsible for PL quenching and one relatively slow which is responsible for a rema