MTorrice writes: Plasmonic printing is a recently developed method to create color images using different shapes and sizes of gold or silver nanostructures. It relies on the oscillations of electrons in the metal surfaces and can produce images with a resolution 100 times that of a common desktop printer. Now researchers have expanded the color palette of the technique using tiny aluminum-capped nanopillars. Each pixel consists of four nanopillars; tuning the diameters and arrangement of the pillars produced a palette of more than 300 different colors. Using these pixels, the researchers created a microscale reproduction of Claude Monet's "Impression, Sunrise."
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