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Kyoko Masui and Shota Ushiba receive the highest award in the 6th JSAP Photo Contest

posted Dec 16, 2015, 4:12 PM by PARC Osaka University   [ updated Feb 21, 2016, 9:54 PM ]

A planet made up of silver nanoparticles

A photo of self-assembled silver nanoparticles with no editing.  This photo was taken with my iPhone 6 through the eyepiece of a dark-field microscope.  Silver nanoparticles were chemically synthesized on a glass substrate and then dried naturally, resulting in a formation of the self-assembly.  The prepared substrate was placed under white light illumination and the scattered light from the nanoparticles was detected.  The particles show different colors because the color depends on the size and shape of the plasmonic nanoparticles.  There was a silver planet in the microscopic world.