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ABOUT THE INSTITUTE
News of the JFI
University of Chicago physicists pioneer
method for nanotechnology fabrication
December 12, 2001
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Nanowire
False-color transmission electron microscope image
of self-assembled silver nanowires produced at the University
of Chicago. Silver wires in this image are colored blue-grey.
The different color shades correspond to different orientations
of small crystallites that have flues to form the wires. Polymethylmethacrylate
domains between the wires are not wetted by silver metal and
appear pinkish. The center-to-center spacing between neighboring
wires is 50 nanometers.
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Nanochain
False-color transmission electron microscope image of self-assembled
gold nanochains produced at the University of Chicago. The
center-to-center spacing between neighboring chains measures
50 nanometers. Individual gold nanoparticles measure 5 to
10 nanometers and self-assemble inside the polystyrene domains
of a thin copolymer film. Polymethylmethacrylate domains of
the film, on either side of the chains, do not contain nanoparticles
and appear dark.
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