Experimental proof for nanoparticle origin of photoluminescence in porous silicon layers
A series of nonlinear phenomena in the excitation intensity dependence of photoluminescence (PL) was observed in porous silicon (PS) at room temperature. From a low level of excitation, the blue shift of the PL spectra was detected followed by complete saturation of the integrated PL intensity, with...
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| Veröffentlicht in: | Applied physics letters 1993-04, Vol.62 (15), p.1797-1799 |
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| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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