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Microstructure Characterization of Ag Nanoparticles Prepared by Hydrothermal Method

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Abstract:

Ag nanoparticles were successfully synthesized by hydrothermal method under the polyol system combined with traces of sodium chloride, Silver nitrate(AgNO3) and polyvinylpyrrolidone (PVP) acted as the silver source and dispersant respectively. The samples by this process were characterized via X-ray powder diffraction (XRD), Brunauer–Emmett–Teller (BET) adsorption equation, transmission electron microscopy (TEM) and the corresponding selected area electron diffraction (SAED) to determine the chemical composition, particle size, crystal structure and morphology. The experiment results indicate that the crystal structure of the samples is face centered cubic (FCC) structure as same as the bulk materials, The specific surface area is 24 m2/g, the particle size distribution ranging from10 to 50 nm, with an average particle size about 26 nm obtained by TEM and confirmed by XRD and BET results.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

1138-1141

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.1138

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Online since:

February 2012

Authors:

Zhi Qiang Wei, Qiang Wei, Li Gang Liu, Hua Yang, Xiao Juan Wu

Keywords:

Ag Nanoparticle, Crystal Structure, Hydrothermal, Morpholoy, Particle Size

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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