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Inorganic glass LEDs emit in the UV

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Ashley N. Paddock, [email protected]

Embedding nanocrystals in glass produces inorganic LEDs that emit in the difficult-to-achieve ultraviolet range. The devices could advance biomedical diagnostics and medicine. “The electronic states responsible for UV emission are highly energetic and are therefore more susceptible to defect and impurities (typically at the nanocrystal surface). As a result, nanocrystals that are, in principle, capable of emitting in the UV lose their energy to surface states unless suitable passivation techniques are adopted to protect the emitting site from these detrimental effects,” said...Read full article

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    Published: April 2012
    Glossary
    electroluminescence
    The nonthermal conversion of electrical energy into light in a liquid or solid substance. The photon emission resulting from electron-hole recombination in a PN junction is one example. This is the mechanism employed by the injection laser.
    AmericasBasic Sciencebiomedical diagnosticsBiophotonicsBioScanCommunicationselectroluminescenceenvironmental diagnosticsfluorescent markersglass-based LEDsindustrialinorganic nanocrystalsItalylab-on-a-chip diagnosticslight emitting diodesLight SourcesLos Alamos National LaboratoryNew MexicoNewsSergio Brovellitin dioxide nanoparticlestin monoxideultraviolet light emitting diodesUniversity of Milano-BicoccaUV LEDsLEDs

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