www.nanopicoftheday.org
July 23, 2004
NaCl Nanocrystals
Source: Teri
W. Odom
References:
"Mass-Limited Growth in Zeptoliter Beakers: A General
Approach for the Synthesis of Nanocrystals"
Jeremy E. Barton, Teri W. Odom.
Nano Lett.; 2004; ASAP Web Release Date: 1-Jul-2004;
Description:
Nanoscale fabrication methods provide a unique approach to synthesize
nanoscale materials. Laser-assisted embossing was used to generate close-packed
arrays of hemispherical nanowells with zeptoliter (zL) volumes. The volumes of
the nanowells were controlled by changing the fluence of the laser, by applying
variable pressure between the mold and the substrate, and by growing an
amorphous oxide on the patterned silicon. Nanowells with diameters as small as
50 nm were used as reaction vessels for the preparation of simple inorganic
salts and semiconducting nanocrystals. Under most growth conditions, individual
nanocrystals were formed in individual nanowells.
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