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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nanoscale+Res+Lett
2015 ; 10
(1
): 1058
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Localized Surface Plasmon Resonance of Silver Nanotriangles Synthesized by a
Versatile Solution Reaction
#MMPMID26340946
Wu C
; Zhou X
; Wei J
Nanoscale Res Lett
2015[Dec]; 10
(1
): 1058
PMID26340946
show ga
The surface plasmon resonance (SPR) of silver nanoparticles can be tuned
throughout the visible and near-infrared region by their shape and size.
Considering SPR applications, an easy and controllable method for preparing the
silver nanocrystals with defined shape and size, is necessary. In this work, the
triangular silver nanoplates were synthesized by reducing Ag(+) ions with
ascorbic acid in the presence of silver seeds and poly(vinylpyrrolidone) (PVP) at
room temperature. Both the seeds (as the nucleation sites) and PVP (as the
capping reagent) played an important role in determining the edge length of the
silver nanotriangles. The SPR of silver nanotriangles showed three distinct bands
corresponding to the in-plane dipole, quadrupole, and out-plane quadrupole
plasmon resonance, and the SPR shifted to shorter wavelengths with the decreased
edge length of the silver nanotriangles as the theoretical calculation.