"Effect of particle size distributions on absorbance spectra of gold na" by J. Doak, R. K. Gupta et al.
 

Effect of particle size distributions on absorbance spectra of gold nanoparticles

Abstract

In this paper, a method is developed to calculate the absorbance spectra of nanoparticles solution containing a size distribution of particles using the Mie theory. The standard gold nanoparticles solutions were purchased and characterized with the UV-visible absorption spectroscopy and dynamic light scattering size measurements techniques. Model size distributions were fit to the experimental absorbance spectra using the method described herein. Good semi-quantitative fits were found, which elucidate qualitative differences between "small" and "large" gold nanoparticles.

Department(s)

Physics, Astronomy, and Materials Science
JVIC-CASE

Document Type

Article

DOI

https://doi.org/10.1016/j.physe.2010.01.004

Keywords

Dynamic light scattering, Gold, Nanoparticles, Size distribution, UV-visible spectroscopy

Publication Date

3-1-2010

Journal Title

Physica E: Low-Dimensional Systems and Nanostructures

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