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Movahedinejad H, Najari H. Simulation of absorption spectrum of spheroidal gold and silver nanoparticles considering size dependent dielectric function and the aspect ratio. ICOP & ICPET _ INPC _ ICOFS 2018; 24 :437-440
URL: http://opsi.ir/article-1-1473-en.html
URL: http://opsi.ir/article-1-1473-en.html
1- Department of Physics, University of Zanjan
Abstract: (2527 Views)
In this paper, the cross-section absorption of gold and silver spheroidal nanoparticles is simulated using the T-matrix method. The spectra obtained are different compared to the spectrum of spherical nanoparticles, so that in each spectrum, two peaks corresponding to large and small oval radii is observed. The ratio of the cross-sectional absorption of two peaks is different for gold and silver nanoparticles. In addition, considering the dependence of the dielectric function in shape and size, the amount of cross-section absorption decreases for the nanoparticles and the width increases in the half-maximum.
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