OPTICAL AND ELECTRICAL PROPERTIES OF GETEROSTRUCTURE BASED LIGHT EMMITING DIDODES AFTER FAST ELECTRON IRRADIATION
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An influence of fast electron irradiation (4 MeV) on the electrical and optical properties of light emitting diodes (LEDs) on the basis of nitride and phosphide heterostructures have been studies. The features of volt-ampere characteristics, electroluminescence spectra and thermal characteristics of LEDs after irradiation have been established. The wide band at ~ 2 eV in electroluminescence spectra of ultraviolet and blue LED related to polymer lens damage has been found. The recovery of optical power during LED operating following to monomolecular first order reaction has been observed.
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References
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