Facile Synthesis and Characterizations of Silver Nanoparticles-Reduced Graphene Oxide Hybrid

Nurul Izrini Ikhsan; Nurul Ain Mohamed Zamri

doi:10.4028/www.scientific.net/SSP.317.208

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HomeSolid State PhenomenaSolid State Phenomena Vol. 317Facile Synthesis and Characterizations of Silver...

Facile Synthesis and Characterizations of Silver Nanoparticles-Reduced Graphene Oxide Hybrid

Abstract:

Here, we report the synthesis of silver nanoparticles-reduced graphene oxide (AgNPs-rGO) hybrid for simple and eco-friendly method. Silver nanoparticles (AgNPs) were successfully deposited on reduced graphene oxide (rGO) sheets to form (AgNPs-rGO) hybrid using lemon extract as a reducing and stabilizing agent. The products form a stable aqueous solution without any surfactant stabilizers and this makes it possible to produce (AgNPs-rGO) hybrid on a large scale using low-cost solution processing technique. The synthesis of nanohybrid was examed at different ratio of reducing agent (1:1, 1:2, 1:4) and characterized using UV-Visible (UV-Vis) absorption spectrum, X-ray diffraction (XRD), Raman spectroscopy analyses and transmission electron microscopy (TEM) analyses. From UV-Vis absorption spectrum, the (AgNPs-rGO) (1:1) hybrid result shows the sharp peak at 433 nm indicating the accomplishment formation of AgNPs on the surface of rGO sheets. Crystalline and spherical AgNPs with an average particle size of 21 nm were found in the (AgNPs-rGO) hybrid with the assistance of 1:1 reducing agent. Furthermore, (AgNPs-rGO) (1:1) hybrid exhibit fast electron-transfer kinetics for electrochemical reaction of Fe (CN)₆^3-/4-redox couple compared to other controlled modified electrodes, suggesting the potential applications for electrocatalysis and electrochemical sensor.

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Periodical:

Solid State Phenomena (Volume 317)

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208-213

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https://doi.org/10.4028/www.scientific.net/SSP.317.208

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Online since:

May 2021

Authors:

Nurul Izrini Ikhsan*, Nurul Ain Mohamed Zamri

Keywords:

Green Synthesis, Lemon Extract, rGO-Ag Nanohybrid, Silver Nanoparticles

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