Journal
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
Volume 42, Issue 5, Pages 1605-1609Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physe.2010.01.004
Keywords
Gold; Nanoparticles; Size distribution; UV-visible spectroscopy; Dynamic light scattering
Funding
- National Science Foundation [DMR-090703]
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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. (C) 2010 Elsevier B.V. All rights reserved.
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