NewsCheap, nontoxic carbon nanodots poised to be quantum dots of
the future

8th March 2021by admin0
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Tiny fluorescent semiconductor dots, called quantum
dots, are useful in a variety of health and electronic technologies
but are made of toxic, expensive metals. Nontoxic and economic
carbon-based dots are easy to produce, but they emit less light. A
new study that uses ultrafast nanometric imaging found good and bad
emitters among populations of carbon dots. This observation
suggests that by selecting only super-emitters, carbon nanodots can
be purified to replace toxic metal quantum dots in many
applications, the researchers said.

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