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Efficiency peaking in red-light-emitting gallium-phosphide diodes

Efficiency peaking in red-light-emitting gallium-phosphide diodes

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Measurements of the variation of efficiency with current of gallium-phosphide diodes emitting light at 690nm have shown a consistent relationship between the peak quantum efficiency and the current at which this peak occurs. This can be related to the number of zinc-oxygen pairs in nearest-neighbour states.

References

    1. 1)
      • M.C. Rowland , R.C. Bottomley . Gallium phosphide crystal lamps. Brit. Commun. Electron. , 90 - 92
    2. 2)
      • F.A. Trumbore , M. Kowalchik , H.G. White . Efficient electroluminescence in GaP p–n junctions grown by liquid-phase epitaxy on vapour-grown substrates. J. Appl. Phys.
    3. 3)
      • M.R. Lorenz , G.D. Pettit . Internal quantum efficiency of GaP diodes. J. Appl. Phys.
    4. 4)
      • A. Onton , M.R. Lorenz . Dependence of radiative efficiency in GaP diodes on heat treatment. Appl. Phys. Lett.
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