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Slideshow

Two-Photon-Induced Luminescence of Gold Nanoparticles: Experimental Design and Analysis

Chemistry Building, Room 400
Analytical Seminar

In 2000, Mohamed et al. reported gold nanoparticles with a luminescence quantum yield six orders of magnitude greater than bulk gold.1 The enhancement was attributed to localized surface plasmon resonances. Recent studies understand and engineer the luminescence of nanoparticles by the altering particle geometries and plasmon modes.2-4 Interestingly, gold nanoparticles show two-photon-induced luminescence (TPIL) that can be measured at the single-particle level.2,3 This talk will review experimental techniques and results that resolve the TPIL mechanism and enhancement  factors.

  1. Mohamed, M. B., Volkov, V., Link, S., & El-Sayed, M. A. Chemical Physics Letters 2000, 317(6), 517-523.
  2. Céline Molinaro, Yara El Harfouch, Etienne Palleau, Fabien Eloi, Sylvie Marguet, Ludovic Douillard, Fabrice Charra, and Céline Fiorini-Debuisschert. The Journal of Physical Chemistry C 2016 120 (40), 23136-23143
  3. Monalisa Garai, Taishi Zhang, Nengyue Gao, Hai Zhu, and Qing-Hua Xu. The Journal of Physical Chemistry C 2016 120 (21), 11621-11630
  4. Sebastian K. H. Andersen, Anders Pors, and Sergey I. Bozhevolnyi. ACS Photonics 2015 2 (3), 432-438

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