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A novel approach for preparing silver nanoparticles under electron beam irradiation

Li, Kai and Zhang, Fu-Shen (2010) A novel approach for preparing silver nanoparticles under electron beam irradiation. Journal of Nanoparticle Research, 12 (4). pp. 1423-1428.

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Abstract

Silver (Ag) nanoparticles were obtained when Ag microparticles were exposed to an electron beam in a transmission electron microscope (TEM). Results from TEM characterization indicated that the morphologies of the prepared Ag nanoparticles were quasi-circular, and the sizes were mainly in the range of 5-60 nm. The effect of irradiation time (t) on size and distribution of Ag nanoparticles was investigated. It was found that the sizes of Ag nanoparticles increased with the increase of t. The bigger Ag nanoparticles were near the Ag microparticle and the smaller ones were far from it. In addition, these Ag nanoparticles were monodisperse. This approach offered a new route for preparing Ag nanoparticles under electron beam irradiation, and the forming process of Ag nanoparticles was explained by the nucleation-growth mechanism.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
ID Code:8885
Deposited By:CSMNT
Deposited On:25 Aug 2010 09:24
Last Modified:25 Aug 2010 09:24

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