Nobel Prize awarded for discovery of quantum dots that changed everything from TV displays to cancer imaging


The 2023 Nobel Prize in chemistry has been awarded to a trio of scientists who worked to discover and develop quantum dots, used in LED lights and TV screens, as well as by surgeons when removing cancer tissue.

Moungi Bawendi, Louis Brus and Alexei Ekimov were lauded as “pioneers in the exploration of the nanoworld” by the Nobel committee for chemistry as it announced the prize in Swedish capital Stockholm on Wednesday.

“For a long time, nobody thought you could ever actually make such small particles. But this year’s laureates succeeded,” said Johan Aqvist, chair of the committee.

Heiner Linke, a member of the chemistry committee, explained at the announcement ceremony what made the laureates’ work so revolutionary.

“The core thing about quantum dots is that, just by changing their size… you change their properties, for example their color. This is completely unusual,” Linke said.


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