UV light inactivates germs in drinking water. Until now, this disinfection process has typically relied on mercury-vapor lamps, which emit light in the UV spectrum. However, mercury is a toxic heavy ...
ALBUQUERQUE, N.M. - Researchers at Sandia National Laboratories developing ultraviolet (UV) light-emitting diodes (LEDs) recently demonstrated two deep UV semiconductor optical devices that set ...
Materials scientists work on the semiconductors that could transform how we disinfect surfaces, spaces, personal protective equipment — even the air we breathe The COVID-19 outbreak brought with it an ...
LEDs emitting light in the range of 200 nm to 400 nm are classified as UV LEDs. Within this range, there are three bands, UV-A with wavelengths from 300 nm to 400 nm, UV-B with wavelengths between 280 ...
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