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ICOP & ICPET 2017, 23 - : 697-700 Back to browse issues page
Determining the size and size distribution of nano-spheres by dynamic light scattering and cumulant method
Seyedeh Helia Hooshmand Ziafi Ms. * 1, Masoumeh Dashtdar Dr
Abstract:   (918 Views)

Abstract- Dynamic light scattering (DLS) is one of the most powerful methods for determining size of nano-spheres. One of the advantages of this method is determining size distribution of particles. The method of cumulants is a standard technique used to analyze dynamic light scattering data measured for polydisperse samples. These data, from the intensity autocorrelation function of the scattered light, can be describe in terms of a distribution of decay rates and also as size distribution of particles. The method is reformulated in terms of the moments about the mean to permit more satisfactory fits. In this paper the mean size and size distribution of samples in different sizes have been investigated

Keywords: Dynamic light scattering (DLS), particles size distribution, polydisperse, moments of decay rate distribution.
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Type of Study: Research | Subject: Special
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Hooshmand Ziafi S H, Dashtdar M. Determining the size and size distribution of nano-spheres by dynamic light scattering and cumulant method . ICOP & ICPET. 2017; 23 :697-700
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Volume 23 - Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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