Hyper-Rayleigh scattering studies of silver, copper, and platinum nanoparticle suspensions

Robert C. Johnson; Jiangtian Li; Joseph T. Hupp; George C. Schatz

doi:10.1016/S0009-2614(02)00407-4

Hyper-Rayleigh scattering studies of silver, copper, and platinum nanoparticle suspensions

Robert C. Johnson, Jiangtian Li, Joseph T. Hupp, George C. Schatz

Northwestern University

Research output: Contribution to journal › Article

143 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	534-540
Number of pages	7
Journal	Chemical Physics Letters
Volume	356
Issue number	5-6
DOIs	https://doi.org/10.1016/S0009-2614(02)00407-4
Publication status	Published - Apr 26 2002

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ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

Cite this

Johnson, R. C., Li, J., Hupp, J. T., & Schatz, G. C. (2002). Hyper-Rayleigh scattering studies of silver, copper, and platinum nanoparticle suspensions. Chemical Physics Letters, 356(5-6), 534-540. https://doi.org/10.1016/S0009-2614(02)00407-4

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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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10.1016/S0009-2614(02)00407-4