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.
from Top Technology News -- ScienceDaily https://ift.tt/3rw7hsP
Monday 8 March 2021
Cheap, nontoxic carbon nanodots poised to be quantum dots of the future
Posted By: Unknown - March 08, 2021About Unknown
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