A newly discovered material that conducts electricity and is transparent to UV light could have a use in portable devices for killing SARS-CoV-2. This is the virus that causes COVID-19.
An international team of physicists, led by Pennsylvania State University (Penn State) in Philadelphia, believes that manufacturers could incorporate UV LEDs made with the new material into lamps that are lighter, cheaper, and more efficient than the UV lamps people currently use for disinfection.
The idea of using UV light to kill microbes has been around since at least 1877, when the British chemists Arthur Downes and Thomas Blunt published a paper in the journal Nature reporting that sunlight inhibits the growth of bacteria.
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