OSA's Digital Library

Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 6, Iss. 8 — Aug. 26, 2011

Finite Frequency f-sum Rule for Assessment of Number Density of Gold Nanoparticles (AuNPs) and Kramers–Kronig Relation for Refractive Index of Colloidal Gold

Ville Kontturi, Pertti Silfsten, and Kai-Erik Peiponen

Applied Spectroscopy, Vol. 65, Issue 7, pp. 746-749 (2011)


View Full Text Article

Acrobat PDF (236 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations
  • Export Citation/Save Click for help

Abstract

Absorption spectra from colloids containing different concentrations of spherical gold nanoparticles in water were measured with a spectrophotometer. The absorption spectra were used to calculate the number density of nanoparticles (NPs) with the aid of an unconventional finite spectral band f-sum rule applied for gold colloid. Good correlation between the number density of dispersion electrons, obtained from the f-sum rule, and the number density of nanoparticles was found. The effective absolute refractive index of the gold colloid was obtained with the aid of a singly subtractive Kramers–Kronig relation, and in addition the refractive index change due to the nanoparticles was obtained with the aid of a conventional Kramers–Kronig relation. Such optical properties are valuable in studies of light interaction with nanoparticles.

Virtual Issues
Vol. 6, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Ville Kontturi, Pertti Silfsten, and Kai-Erik Peiponen, "Finite Frequency f-sum Rule for Assessment of Number Density of Gold Nanoparticles (AuNPs) and Kramers–Kronig Relation for Refractive Index of Colloidal Gold," Appl. Spectrosc. 65, 746-749 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=as-65-7-746


Sort:  Journal  |  Reset

References

References are not available for this paper.

Cited By

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited