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A pn junction in a direct bandgap material will produce light when forward biased. However, re-absorption (photon recycling) is likely and thus should be avoided.
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A solar cell is a:1.forward biased Zener diode.2.type of light-emitting
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Browse Articles | Nature Photonics
An optimized thermal evaporation process for tin-based perovskites enables precise strain engineering in the perovskite layer, resulting in perovskite light-emitting diodes with a half-lifetime of
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