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Scientists Research Flexible, Spray-On Solar Cells

Researchers in Canada have successfully tested a spray containing microscopic particles that one day could be used to make electricity for everything from mobile devices to homes. The particles, known as CQDs [colloidal quantum dots] also are referred to as “artificial atoms.” They are highly efficient at absorbing light, including the part of the spectrum that is invisible to the human eye. Sprayed into a film, CQDs make a lightweight, flexible solar cell that can be wrapped around...

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