Ultrafast optical nonlinearities of metal nanoparticles

Single-particle measurements and correlation to structure

Norbert F. Scherer, Matthew Pelton, Rongchao Jin, Justin E. Jureller, Mingzhao Liu, Hee Y. Kim, Sungnam Park, Philippe Guyot-Sionnest

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

We have measured nonlinear scattering from plasmons in individual Au nanorods and have correlated second-harmonic activity of Ag nanoparticles and clusters to morphology. The measurements reveal novel ultrafast nonlinear phenomena related to electron confinement. Surprisingly, the coherent plasmon response is suppressed relative to the hot electron response indicating enhanced plasmon dephasing. In a parallel set of studies we demonstrate nanometer scale localization of the nonlinear optical response of single nanoparticles and aggregates and correlate this with their morphology. Position markers are fabricated on an optical and electron-transparent substrate (Si 3N4 thin film) that allows optical measurements and transmission electron microscopy (TEM) imaging of the identical nanoparticles or aggregates. The second harmonic (SH) activity optical image of individual Ag nanostructures is registered with the TEM image. Centroid localization of the optical signals allows correlation with better than 25 nm precision. This is sufficient to determine the origin of optical "hot spots" within multi-particle aggregates.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume6323
DOIs
Publication statusPublished - 2006 Nov 30
Externally publishedYes
EventPlasmonics: Metallic Nanostructures and their Optical Properties IV - San Diego, CA, United States
Duration: 2006 Aug 132006 Aug 16

Other

OtherPlasmonics: Metallic Nanostructures and their Optical Properties IV
CountryUnited States
CitySan Diego, CA
Period06/8/1306/8/16

Fingerprint

Metal nanoparticles
nonlinearity
Nanoparticles
nanoparticles
metals
Transmission electron microscopy
harmonics
transmission electron microscopy
Plasmons
Electrons
Hot electrons
Nanorods
plasmons
hot electrons
optical measurement
markers
centroids
nanorods
optical communication
Nanostructures

Keywords

  • Nanomaterials
  • Nanorod
  • Nonlinear optical
  • Single molecule
  • Ultrafast optical

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Scherer, N. F., Pelton, M., Jin, R., Jureller, J. E., Liu, M., Kim, H. Y., ... Guyot-Sionnest, P. (2006). Ultrafast optical nonlinearities of metal nanoparticles: Single-particle measurements and correlation to structure. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 6323). [632309] https://doi.org/10.1117/12.680151

Ultrafast optical nonlinearities of metal nanoparticles : Single-particle measurements and correlation to structure. / Scherer, Norbert F.; Pelton, Matthew; Jin, Rongchao; Jureller, Justin E.; Liu, Mingzhao; Kim, Hee Y.; Park, Sungnam; Guyot-Sionnest, Philippe.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6323 2006. 632309.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Scherer, NF, Pelton, M, Jin, R, Jureller, JE, Liu, M, Kim, HY, Park, S & Guyot-Sionnest, P 2006, Ultrafast optical nonlinearities of metal nanoparticles: Single-particle measurements and correlation to structure. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 6323, 632309, Plasmonics: Metallic Nanostructures and their Optical Properties IV, San Diego, CA, United States, 06/8/13. https://doi.org/10.1117/12.680151
Scherer NF, Pelton M, Jin R, Jureller JE, Liu M, Kim HY et al. Ultrafast optical nonlinearities of metal nanoparticles: Single-particle measurements and correlation to structure. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6323. 2006. 632309 https://doi.org/10.1117/12.680151
Scherer, Norbert F. ; Pelton, Matthew ; Jin, Rongchao ; Jureller, Justin E. ; Liu, Mingzhao ; Kim, Hee Y. ; Park, Sungnam ; Guyot-Sionnest, Philippe. / Ultrafast optical nonlinearities of metal nanoparticles : Single-particle measurements and correlation to structure. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6323 2006.
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