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This article gives two new and simple methods to treat porous silicon material, including acid treatment and cathode reduction treatment, to improve luminescence properties of porous silicon material. The results show that: the processing of cathode reduction can improve luminescence stability of porous silicon; the processing of acid treatment can effectively improve luminescence intensity of porous...
The photoluminescence (PL) spectra at room temperature for the silicon-based samples doped by Nd and Ce by ion implantation are measured. The results show that all the samples possess blue-violet photoluminescence properties under the ultraviolet light excitation and its light emission is stable. The intensity of PL spectra is closely relative to the dose of implantation and to the temperature of...
The photoluminescence(PL) spectra at room temperature for the Si-based samples doped by Nd O+ are measured. All the samples possess blue-violet PL properties and light emission is stable. The PL spectra has multiple peak structure. The intensity of PL spectra is relative to Nd and O+ implantation and the annealing temperature. The light emission is more greater for the sample of first O+ then Nd ion-implanted...
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