White Paper

White Paper: Aluminum Nitride Deep-Ultraviolet Light-Emitting Diodes

Source: NTT Science and Core Technology Laboratory Group
NTTarticle

By Yoshitaka Taniyasu, Makoto Kasu, and Toshiki Makimoto, NTT Science and Core Technology Laboratory Group

Researchers have successfully fabricated an aluminum nitride light-emitting diode (LED) and observed ultraviolet light with a wavelength of 210 nm. This is the shortest wavelength ever observed from any semiconductor. This LED represents a major step towards replacing large, toxic, and low-efficiency gas light sources with compact, harmless, and high-efficiency semiconductor light sources. The application fields of these LEDs include environmental protection, nanotechnology, and information technology.

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