Abstract
We report the results of a systematic study of the influence of the anodization and etching conditions, and chemical and thermal treatments on the properties of light-emitting porous silicon (PSI). PSI layers with stable, high efficiency photoluminescence (PL) tunable from the near infrared to the yellow have been obtained using p-type and n-type substrates. As the temperature drops below 100 K, the as-anodized PSI layers display striking changes in the PL spectra, which are absent in PSI layers that have received a post-growth treatment.
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Peng, C., Tsybeskov, L. & Fauchet, P.M. Luminescence Properties of Porous Silicon. MRS Online Proceedings Library 283, 121–126 (1992). https://doi.org/10.1557/PROC-283-121
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DOI: https://doi.org/10.1557/PROC-283-121