STOCKHOLM - Scientists Moungi Bawendi, Louis Brus and Alexei Ekimov won the 2023 Nobel Prize in Chemistry for their discovery of clusters of atoms known as quantum dots, now used to create colour in flat screens, light emitting diode (LED) lamps and devices that help surgeons see blood vessels in tumours. The prize-awarding academy said the scientists had 'added colour...
Scientists Moungi Bawendi, Louis Brus and Alexei Ekimov won the 2023 Nobel Prize in Chemistry.STOCKHOLM - Scientists Moungi Bawendi, Louis Brus and Alexei Ekimov won the 2023 Nobel Prize in Chemistry for their discovery of clusters of atoms known as quantum dots, now used to create colour in flat screens, light emitting diode lamps and devices that help surgeons see blood vessels in tumours.
The more than century-old prize is awarded by the Royal Swedish Academy of Sciences and is worth 11 million Swedish crowns . One of the "fascinating and unusual properties" of quantum dots is that they create different colour lights, depending on the particle size, while keeping the atomic structure unchanged, said Johan Aqvist, Chair of the Nobel Committee for Chemistry.
In the early 1980s, Ekimov discovered that the colour of glass changes with the size of copper chloride molecules contained in it and that sub-atomic forces were at play.In 1993, Bawendi revolutionised the production of quantum dots, made up of clusters ranging from a few hundred to a few thousand atoms.
Bawendi was born in Paris and grew up in France, Tunisia, and the U.S. Bawendi did his postdoctoral research under Brus then joined MIT in 1990 and became professor in 1996.
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