Group blazes path to efficient, eco-friendly deep-ultraviolet LED

A research group has demonstrated the ability to produce deep-ultraviolet emission using an LED light source, potentially solving several problems related to quantum efficiency of current devices.
The darkest form of ultraviolet light, known as UV-C, is unique because of its reputation as a killer -- of harmful organisms.
With wavelengths of between 200 and 280 nanometers, this particular form of UV light penetrates the membranes of viruses, bacteria, mold and dust mites, attacking their DNA and killing them. Sanitization with UV-C light has been around for more than 100 years, following Niels Finsen's discovery of UV light as an antidote to tuberculosis, which won the Faroese-Danish physician the 1903 Nobel Prize for Medicine.
Source : www.sciencedaily.com      2017/4/3 08:30

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