Abstract
Scattering and Absorption Efficiencies of Si-Ag Coaxial nanowire (NWs) were simulated using Mie-Lorentz scattering approach. The thickness of Ag shell was fixed at around 10 nm with Si core diameter of (10, 20, 30 and 40) nm. Scattering Efficiencies and Absorption Efficiencies of core-shell nanowire as a function of wavelength (300-2000 nm) within various core diameters were calculated. The study shows a remarkable behavior of scattering for un-polarized light in Silicon nanowire (core only) with wavelength of (320- 500nm). In other words, adding Ag shell has decreased the scattering efficiency of core-shell nanowire for all diameters.
Highlights
A Single nanowire is a nanostructure with a diameter of a nanometer [1]
The simulation considers that transverse electric (TE) wave and the transverse magnetic (TM) wave are both perpendicular to the axis of coaxial nanowire
It was shown that adding Ag shell has decreased the scattering efficiency of core-shell nanowire for all diameters
Summary
A Single nanowire is a nanostructure with a diameter of a nanometer [1]. As a result of its unique structural, optical, and electrical properties that are not seen in bulk Silicon materials, Si-NW occupies a special position as a subject of numerous researches and applications[2,3,4,5]. Silicon nanowires Si-NWs are a main research subject in the field of nanotechnology owing to their uniquely physical and chemical properties such as high selective adsorption of gas, novel thermoelectricity, and enhanced biological and chemical sensitivity[6]. Optical properties act an important role in investigates of the synthesis of. In order to study the photonic applications of Si-Ag coaxial NWs Scattering and Absorption Efficiencies of Si-Ag NWs were calculated
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