Chemical nature of the luminescent centre in fresh and aged porous silicon layers
โ Scribed by S. Gardelis; U. Bangert; B. Hamilton; R.F. Pettifer; D.A. Hill; R. Keyse; D. Teehan
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 381 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0169-4332
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Ageing e ect on the photoluminescence spectra and lifetime of porous silicon are analyzed in a set of samples containing particles with various sizes. The ageing causes a pronounced increase in the intensity from the sample containing large particles, whereas it causes only a small increase for the
Porous silicon (PS) films were prepared by anodization on polished and textured substrates of (1 0 0) Si at different current densities for a fixed anodization time of 30 min. Using scanning electron microscopy (SEM), high-resolution X-ray diffractometry (HRXRD) and photoluminescence (PL) decay meas