Synthesis and Characterization of Biomass Supported Ag, Co and Ag-Co Nanoparticles

Abstract:

Silica extracted from rice husk was used as a support to synthesize the monometallic Ag, Co and bimetallic Ag-Co nanoparticles. The nanoparticles were prepared via a sol-gel method by adding glucose as the reducing agent. The prepared nanoparticles were designated as Ag-NP, Co-NP and AgCo-NP. The successful incorporation of Ag/Co onto the silica surface were evidenced by TEM, FT-IR and DR/UV-Vis analysis. The TEM analysis showed the presence of small spherical shape nanoparticles with an average mean size of 3.18-3.57 nm. Through DR/UV-Vis analysis, the presence of Ag⁺ and cobalt in the oxidation state of +2 and +3 were confirmed, while FT-IR verified the presence of M-O and Si-O-M⁺ bond.

• Periodical: Materials Science Forum (Volume 857)
• Pages: 480-484
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.857.480
• Online since: May 2016
• Authors: Nur Izzati Mohd Anuar, Jeyashelly Andas*
• Keywords: Glucose, Nanoparticles, Rice-Husk, Silica, Sol-Gel

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