The nanoparticles create more precise colours and are used in TV screens, for medical imaging as well as in solar panels.
The Nobel Prize for chemistry has been awarded to three scientists for their work in developing what are called quantum dots.
They are also used in medical imaging to guide surgeons, in better targeting of cancer drugs, and in solar panels. Their names appeared to have been released accidentally hours before the official announcement by Sweden's Royal Academy of Sciences."Very surprised, sleepy, shocked, unexpected, and very honoured," he said, adding that he had not heard the news before the Academy rang him.Their exact size determines the colour of light they emit when given energy. Smaller quantum dots are blue, and bigger dots are yellow and red.
The three scientists are US-based. Russian physicist Alexei I. Ekimov is credited with first discovering quantum dots in the 1980s, and US chemist Louis E. Brus then realised the crystals could be developed floating in fluid.
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