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Record-Thin Light Absorber Offers New Solar Hope

 Now Stanford is back with “the thinnest, most efficient absorber of visible light on record.”

It’s a wafer dotted with trillions of round particles of gold, nanodots about 14 nanometers tall and 17 naonmeters wide (a nanometer is a billionth of a meter).

“Achieving complete absorption of visible light with a minimal amount of material is highly desirable for many applications, including solar energy conversion to fuel and electricity,” Stacey Bent, a professor of chemical engineering at Stanford and co-author of the study, said in a statement.

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