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Optical properties of plasmonic nanoparticles distributed in size determined from a modified Maxwell-Garnett-Mie theory

Abstract : The optical properties of spherical gold and silver nanoparticles distributed in size are investigated through a new effective medium theory. It is about the modified Maxwell-Garnett-Mie theory (MMGM) that takes into account the intrinsic confinement, dynamic effects and the nanoparticle radius distribution. In the case of monodispersed nanoparticles with a radius in the 1 nm-25 nm range, MMGM is equivalent to the Mie theory. Compared to the conventional effective medium theory, we demonstrate that MGMM gives better description of the measured extinction spectra of colloidal gold and silver solutions.
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https://hal.univ-lorraine.fr/hal-01526741
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Submitted on : Tuesday, May 23, 2017 - 2:32:51 PM
Last modification on : Tuesday, July 24, 2018 - 11:45:20 AM

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Y. Battie, A. Resano-Garcia, N. Chaoui, A. En Naciri. Optical properties of plasmonic nanoparticles distributed in size determined from a modified Maxwell-Garnett-Mie theory. physica status solidi (c), Wiley, 2015, 12 (1-2), pp.142 - 146. ⟨10.1002/pssc.201400190⟩. ⟨hal-01526741⟩

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