TY - JOUR
T1 - Hyper-Rayleigh scattering studies of silver, copper, and platinum nanoparticle suspensions
AU - Johnson, Robert C.
AU - Li, Jiangtian
AU - Hupp, Joseph T.
AU - Schatz, George C.
N1 - Funding Information:
We thank the Army Research Office (MURI program) and the Northwestern Materials Research Center (NSF-MRSEC program) for support of our work. We also thank Professor Ken Spears for the use of the Nd:YAG laser.
Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.
PY - 2002/4/26
Y1 - 2002/4/26
N2 - The optical frequency doubling properties of silver, copper, and platinum nanoparticles in aqueous solution are studied via hyper-Rayleigh scattering (HRS) spectroscopy. Substantial HRS responses are observed for silver and copper particles. The response is attributed to enhancement due to resonance of the nonlinearly scattered light with the particles' surface plasmon absorption band. Platinum particles, which lack visible-region plasmon absorption, do not display detectable HRS signals. The largest signals from silver particles are observed under conditions of two-photon resonance, qualitatively consistent with the predictions of available theory; smaller yet still impressive signals are observed under pre- and post-resonant conditions.
AB - The optical frequency doubling properties of silver, copper, and platinum nanoparticles in aqueous solution are studied via hyper-Rayleigh scattering (HRS) spectroscopy. Substantial HRS responses are observed for silver and copper particles. The response is attributed to enhancement due to resonance of the nonlinearly scattered light with the particles' surface plasmon absorption band. Platinum particles, which lack visible-region plasmon absorption, do not display detectable HRS signals. The largest signals from silver particles are observed under conditions of two-photon resonance, qualitatively consistent with the predictions of available theory; smaller yet still impressive signals are observed under pre- and post-resonant conditions.
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U2 - 10.1016/S0009-2614(02)00407-4
DO - 10.1016/S0009-2614(02)00407-4
M3 - Article
AN - SCOPUS:0037177579
VL - 356
SP - 534
EP - 540
JO - Chemical Physics Letters
JF - Chemical Physics Letters
SN - 0009-2614
IS - 5-6
ER -