Moungi Bawendi of MIT, Louis Brus of Columbia University, and Alexei Ekimov of Nanocrystals Technology Inc., were honored for their work with the tiny particles.
Professor Emeritus Louis Brus, left, Alexei Ekimov of Nanocrystals Technology Inc., center, and Massachusetts Institute of Technology scientist Moungi Bawendi. The three scientists in the United States won the Nobel Prize in chemistry for their work on quantum dots.in chemistry Wednesday for their work on quantum dots — tiny particles just a few nanometers in diameter that can release very bright colored light and whose applications in everyday life include electronics and medical imaging.
In the 1980s, Ekimov, 78, and Brus, 80, honed the theory and developed early laboratory techniques for creating particles that emit varying colors by adjusting sizes. In 1993, Bawendi, 62, developed new chemical methods for producing the particles quickly and uniformly — which soon enabled a variety of scalable commercial applications, including in electronics displays.
Today quantum dots are commonly used in electronics displays and biomedical imaging. The florescent quality of the particles allows researchers to track how drugs are delivered within the human body, as well as to study the precise location and growth of a tumor, for example.Swedish media reported hours before Wednesday’s announcement that the Royal Swedish Academy of Sciences had sent out a news release that identified Bawendi, Brus and Ekimov as the latest Nobel laureates.
The academy, which awards the physics, chemistry and economics prizes, asks for nominations a year in advance from thousands of university professors and other scholars around the world. “The motivation really is the basic science. A basic understanding, the curiosity of how does the world work? And that’s what drives scientists and academic scientists to do what they do,” he said.
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