Excellent question Andrea, our next step is to apply the strontium tetragermante doped with erbium and ytterbium in LEDs that could operate under IR excitation at 980 nm.
Yes Julio, it could be useful as heterostructure of a solar cell, there exists evidence that the efficiency could be increased by using a layer of upconversion-luminescent, it produces photons in the visible region by converting IR radiation, only UV and visible photons can be transformed from radiation to electrical energy in silicon solar cells.
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