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Polarization anisotropy is investigated in single porous silicon nanoparticles containing multiple chromophores. Two forms of nanoparticle samples are studied; low current density (LCD) and high current density (HCD). Photoluminescence measurements reveal that LCD samples exhibit red-shifted spectra and HCD particles display a blue-shifted spectrum. We utilize single molecule spectroscopy to detect...
The study of photoluminescence (PL) from porous silicon (PS) containing complexes of gadolinium oxychloride with Er 3+ - and Er 3+ -Yb 3+ is reported. The concentration dependencies of PL intensity of PS with Er 3+ containing complex have been studied. The dependencies have retained the main features that are characteristic of the pure complex for...
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