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Research Paper | Physics Science | Bahrain | Volume 6 Issue 2, February 2017
Z-scan Technique for Measurements of Glucose Concentrations through the Formation of Plasmonic Gold Nanoparticles Prepared by Green Synthesis
F. Abdulwahab | F. Z. Henari
Abstract: Gold nanoparticles were synthesized by microwave irradiation using glucose as a reducing and stabilizing agent. The effects of using different concentrations of glucose in the synthesis of nanoparticles were investigated. The formation of gold nanoparticles was confirmed using UV-Vis absorption spectra and Transmission Electron Microscope (TEM). Z-scan technique was used to measure the nonlinear refraction indices of the gold nanoparticles synthesized with different glucose concentrations. A linear relationship was found between the nonlinear refractive index of the total gold-glucose and concentration. Thus the calculated values of the nonlinear refractive index may be used for measuring an unknown glucose concentration in a sample.
Keywords: gold nanoparticles, green synthesis, microwave, absorption spectra, nonlinear properties, Z-scan
Edition: Volume 6 Issue 2, February 2017,
Pages: 23 - 27
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