期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 113, 期 31, 页码 13477-13481出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp9026139
关键词
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We report. experiments where single metallic nanoparticle sensitivity is achieved with hyper Rayleigh scattering. To reach this level of sensitivity, long acquisition times and signal statistics were required. In particular, a careful study of the intensity fluctuations with time was undertaken and the first, second and third moments of the intensity distribution were determined. From this analysis, the hyperpolarizability of a silver metallic nanoparticle, the diameter of which is 80 nm, was measured and found to be beta = (206 +/- 20) x 10(-25) esu at 800 nm.
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