Orange LED changes color when cooled by Liquid Nitrogen to -196°C 2

Orange LED changes color when cooled by Liquid Nitrogen to -196°C



More details here: http://3.14.by/en/read/arduino-liquid-nitrogen-overclocking

At lower temperature band gap in semiconductors widens, which means that in LED emitted photons would have higher energy. This effect if especially pronounced in orange LED’s.

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