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LEDs feed on waste heat

Heating LEDs from room temperature to 615 K is found to increase their emission power fourfold. The finding suggests that thermophotonics could remove the need for heat sinks for high-power devices.

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Figure 1: A thermophotonic LED.

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Correspondence to Jani Oksanen or Jukka Tulkki.

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Oksanen, J., Tulkki, J. LEDs feed on waste heat. Nature Photon 9, 782–784 (2015).

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