Sodium chloride protected CdTe quantum dot based solid-state luminophores with high color quality and fluorescence efficiency

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Original languageEnglish
Article number103105
Journal / PublicationApplied Physics Letters
Issue number10
Publication statusPublished - 2 Sept 2013



We report on a series of fluorescent powders based on CdTe colloidal nanocrystals embedded into a protective NaCl matrix, which provide solid-state luminophores with emission colors covering the whole green to red spectral region of visible spectrum and enhanced fluorescence quantum yields comparing to the parent CdTe nanocrystals, unravelled by UV-vis absorption and diffuse reflectance measurements as well as by steady-state and time-resolved photoluminescence spectroscopy. Prototypes of hybrid light-emitting diodes of high color quality utilizing this kind of luminophores as a down-converting layer are demonstrated. © 2013 AIP Publishing LLC.

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