Chemically isolating hot spots on concave nanocubes
Author
Rycenga, Matthew
Langille, Mark R.
Personick, Michelle L.
Ozel, Tuncay
Mirkin, Chad A.
Date
2012Metadata
Show full item recordAbstract
We report a simple and general strategy for selectively
exposing and functionalizing the sharp corners of concave nanocubes,
which are the SERS hot spots for such structures. This strategy takes
advantage of the unique shape of the concave cubes by coating the particles
with silica and then etching it away to expose only the corner regions, while
maintaining the silica coating in the concave faces. These corner regions
can then be selectively modified for improved enhancement and signal
response with SERS
Description
The article of record as published may be found at http://dx.doi.org/10.1021/nl3032235
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