Silver nanoprisms with strong absorption in the near-IR have been synthesized using a modification of the photoinduced method by illuminating preformed silver seeds under different illumination conditions. Low-intensity light-emitting diodes and white light combined with different color filters are used as light sources. The lateral dimensions of the nanoprisms are found to be correlated in a quasilinear fashion with the emission wavelength and the position of the main in-plane dipole plasmon band. The structural characterization of the Ag nartoparticles, carried out using scanning electron microscopy, transmission electron microscopy (TEM), high-resolution TEM, and electron diffraction, reveal that the particles are flat and have a single-crystal face-centered-cubic structure. Time-resolved studies suggest that the nanoprisms are formed by steady consumption of the original Ag seeds with little variation of the aspect ratio after a short induction time. © 2006 WILEY-VCH Verlag GmbH & Co. KGaA.
CITATION STYLE
Bastys, V., Pastoriza-Santos, I., Rodíguez-González, B., Vaisnoras, R., & Liz-Marzán, L. M. (2006). Formation of silver nanoprisms with surface plasmons at communication wavelengths. Advanced Functional Materials, 16(6), 766–773. https://doi.org/10.1002/adfm.200500667
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