NaMasTe lab developed a device that converts heat to electricity efficiently without the need for any moving parts. An unconventional device, inspired by quantum physics, pushed this heat-to-electricity conversion (thermophotovoltaics)  to its fundamental limits. This energy conversion scheme, at first, converts heat to light and then converts light to electricity. Our work focused on the heat-to-light conversion and achieved 60% efficiency while operating at 1200 degrees Celsius.

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A scientific report of this work was published in npj Nanophotonics.

Caption: Heat-to-light converting device after nanofabrication (left); Heat-to-electricity conversion device in operation (right);