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Data from: Determination of the optical constants of gold nanoparticles from thin-film spectra

RMIT University, Australia
Enrico Della Gaspera (Aggregated by)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://figshare.com/articles/Determination_of_the_Optical_Constants_of_Gold_Nanoparticles_from_Thin_Film_Spectra/2171419&rft.title=Data from: Determination of the optical constants of gold nanoparticles from thin-film spectra&rft.identifier=4e1778115a5b0b644a6de4606af719da&rft.publisher=RMIT University, Australia&rft.description=Attached file provides supplementary data for linked article. We determine the optical properties of nanocomposites comprising gold nanoparticles embedded in a titania matrix using spectroscopic ellipsometry. We then apply the spectral representation formalism due to Bergman, to extract the dielectric function of the individual gold nanoparticles (NPs). We show that analytical forms of the spectral representation function can be generated, which enable local clustering and the width of the surface plasmon resonance to be accounted for. The model also explains anomalously high, near-infrared absorption by small metal particles, reported by Tanner. The procedure provides a method to determine the optical constants of a wide range of metallic and semiconducting nanoparticles from ellipsometric data.&rft.creator=Enrico Della Gaspera&rft.date=2018&rft.relation=https://dx.doi.org/10.1021/jp512611m&rft_rights=All rights reserved&rft_rights=CC BY-NC: Attribution-Noncommercial 3.0 AU http://creativecommons.org/licenses/by-nc/3.0/au&rft_subject=Far-infrared absorption&rft_subject=Refractive index&rft_subject=Dielectric properties&rft_subject=Particles&rft_subject=Crystals &rft_subject=Colloids&rft_subject=Spheres&rft_subject=Size&rft_subject=Physical Chemistry of Materials&rft_subject=CHEMICAL SCIENCES&rft_subject=MACROMOLECULAR AND MATERIALS CHEMISTRY&rft.type=dataset&rft.language=English Access the data
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Attached file provides supplementary data for linked article. We determine the optical properties of nanocomposites comprising gold nanoparticles embedded in a titania matrix using spectroscopic ellipsometry. We then apply the spectral representation formalism due to Bergman, to extract the dielectric function of the individual gold nanoparticles (NPs). We show that analytical forms of the spectral representation function can be generated, which enable local clustering and the width of the surface plasmon resonance to be accounted for. The model also explains anomalously high, near-infrared absorption by small metal particles, reported by Tanner. The procedure provides a method to determine the optical constants of a wide range of metallic and semiconducting nanoparticles from ellipsometric data.

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Chemical Sciences | Colloids | Crystals | Dielectric properties | Far-infrared absorption | Macromolecular and Materials Chemistry | Particles | Physical Chemistry of Materials | Refractive index | Size | Spheres |

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  • Local : 4e1778115a5b0b644a6de4606af719da
ACN 633 798 857