Preparation and Optical Properties of PS @Au–Cu Core-Shell Nano Composite

• Autorzy: Rudainah, A. , Farkad, A. , Lin, Y.
• Języki publikacji: EN

Abstrakty

EN

An appropriate low-cost uncomplicated chemical method has been used to obtain the optical properties in the production of plasmon by manufacturing nanomaterial's consisting of dielectric core and a shell that grows on its surface . This core consists of the polystyrene PS and a gold – copper shell. The synthesis was made in two steps . In the first step PS core was fabricated , then coated by a shell consisting of Au –Cu particles . The shell shape differs according to the change in the amount of molar concentrations of Cu, and H₂O₂. It is found that variation of this materials amount gives us absorbance measurements (Localised Surface Plasmon Resonance, LSPR) that increase proportionally with changing quantities directly, where the size of core is constant .And the peak position in blue shift high energy then changes to red shift low energy . This change depends on the size and shape of particles. The same case applies for the transmittance of its change with the change of this material. The nano shell was characterized by using Scanning electron microscopy,SEM and UV –vis spectroscopy by varying the amount of Cu and H₂O₂.

Słowa kluczowe

EN

Copper – Gold Nanoparticles; core-shell nanoparticles; optical; Plasmon Absorption Polystyrene

• Czasopismo: International Letters of Chemistry, Physics and Astronomy
• Rocznik: 2015
• Tom: Vol. 49
• Strony: 81--89
• Opis fizyczny: Bibliogr. 16 poz., rys., zdj.

Twórcy

autor

Rudainah, A.

• School of Physics, Huazhong University of Science and Technology, Wuhan 430074,PR China,
• Physics Department of College Science, Diyala University, Iraq,

autor

Farkad, A.

• Ministry of Higher Education, Iraq

autor

Lin, Y.

• School of Physics, Huazhong University of Science and Technology, Wuhan 430074,PR China,

Bibliografia

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Identyfikatory

DOI

10.18052/www.scipress.com/ILCPA.49.81