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Proceedings Paper

Optical spectra of noble metal nanoparticles supported on zeolites
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Paper Abstract

Optical spectra of noble metal nano-particles supported on different types of zeolites are studied and compared. The absorbance spectra of Cu, Ag and Au nanoparticles supported on mordenite, β-zeolite, Na/Y and H/Y zeolites respectively are reported. Spectra for pre-exchanged Au-Cu/Na/Y, Au-Ni/Na/Y and Au-Fe/Na/Y are also studied. A simple effective medium approach (Maxwell-Garnett) is used to obtain a theoretical complex effective dielectric function of the composite and to asses the sensibility of the plasmon resonance to the sample characteristics. The knowledge of these properties can hopefully be applied to the development of optical tools to monitor the synthetic path.

Paper Details

Date Published: 17 August 2014
PDF: 7 pages
Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91632H (17 August 2014); doi: 10.1117/12.2061096
Show Author Affiliations
Catalina López Bastidas, Univ. Nacional Autónoma de México (Mexico)
Elena Smolentseva, Univ. Nacional Autónoma de México (Mexico)
Roberto Machorro, Univ. Nacional Autónoma de México (Mexico)
Vitalii Petranovskii, Univ. Nacional Autónoma de México (Mexico)
Univ. Autónoma de Puebla (Mexico)


Published in SPIE Proceedings Vol. 9163:
Plasmonics: Metallic Nanostructures and Their Optical Properties XII
Allan D. Boardman, Editor(s)

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