Synthesis of Au, Ag, Curcumin Au/Ag, and Au-Ag Nanoparticles and Their Nonlinear Refractive Index Properties

Author:

Abdulwahab F.1ORCID,Henari F. Z.1ORCID,Cassidy S.1,Winser K.2

Affiliation:

1. Department of Medical Sciences, Royal College of Surgeons in Ireland, Medical University of Bahrain, Building 2441, Road 2835, Block 228, Busaiteen, Bahrain

2. Department of Physiology & Medical Physics, Royal College of Surgeons in Ireland, 123 St. Stephen’s Green, Dublin 2, Ireland

Abstract

Nanoparticles of gold and silver were prepared by a reduction method and by employing green chemistry principles such as using curcumin as a reducing and a stabilizing agent. The formation of nanoparticles was confirmed by UV-Vis absorption spectra and TEM. Mie theory was used to determine the particle sizes. The nonlinear refraction and absorption properties of the particles were measured using the z-scan technique. A large value of third-order nonlinearities was obtained using the nanoparticles produced.

Publisher

Hindawi Limited

Subject

General Materials Science

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