J. Butet,1 G. Bachelier,1 J. Duboisset,1 F. Bertorelle,1 I. Russier-Antoine,1 C. Jonin,1 E. Benichouhttps://orcid.org/0000-0003-0590-6998,1 P. F. Brevet1
1Lab. de Spectrométrie Ionique et Moléculaire, CNRS, Univ. Claude Bernard Lyon 1 (France)
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Single metallic nanoparticle sensitivity in liquid solution was achieved with hyper Rayleigh scattering (HRS). The study
of the HRS intensity fluctuations over time was performed for several dilutions of the nanoparticle solution. Histograms
of the HRS intensity counts were then obtained. These histograms exhibit a Gaussian profile down to low concentrations
before evolving towards Poisson distributions at very low concentrations, demonstrating that the single particle
sensitivity is obtained. Based on these results, we were then able to achieve the three-dimensional mapping of immobile
150 nm gold metallic nanoparticles dispersed in a homogeneous transparent polyacrylamide matrix. Polarization
resolved measurements were also performed allowing for a clear identification of the harmonic light generated by single
gold metallic nanoparticles.
J. Butet,G. Bachelier,J. Duboisset,F. Bertorelle,I. Russier-Antoine,C. Jonin,E. Benichou, andP. F. Brevet
"Second harmonic generation of single metallic nanoparticles", Proc. SPIE 7905, Single Molecule Spectroscopy and Imaging IV, 790507 (11 February 2011); https://doi.org/10.1117/12.874930
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J. Butet, G. Bachelier, J. Duboisset, F. Bertorelle, I. Russier-Antoine, C. Jonin, E. Benichou, P. F. Brevet, "Second harmonic generation of single metallic nanoparticles," Proc. SPIE 7905, Single Molecule Spectroscopy and Imaging IV, 790507 (11 February 2011); https://doi.org/10.1117/12.874930