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Int. J. Mol. Sci. 2011, 12(9), 6346-6356; doi:10.3390/ijms12096346
Article

Fabrication and Characterization of Gelatin Stabilized Silver Nanoparticles under UV-Light

1,2,* , 1
,
3
,
4
 and
5
1 Department of Chemistry, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia 2 Department of Modern Sciences and Technologies, School of Medicine, Mashhad University of Medical Sciences, Mashhad 9177948564, Iran 3 Low Dimensional Materials Research Center, Department of Physics, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia 4 Department of Physics, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia 5 Chemistry Department, Payame Noor University, Tehran 19395-4697, Iran
* Author to whom correspondence should be addressed.
Received: 21 July 2011 / Revised: 18 August 2011 / Accepted: 6 September 2011 / Published: 23 September 2011
(This article belongs to the Section Material Sciences and Nanotechnology)
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Abstract

Silver nanoparticles (Ag-NPs) were successfully synthesized using the UV irradiation of aqueous solutions containing AgNO3 and gelatin as a silver source and stabilizer, respectively. The UV irradiation times influence the particles’ diameter of the Ag-NPs, as evidenced from surface plasmon resonance (SPR) bands and transmission electron microscopy (TEM) images. When the UV irradiation time was increased, the mean size of particles continuously decreased as a result of photoinduced Ag-NPs fragmentation. Based on X-ray diffraction (XRD), the UV-irradiated Ag-NPs were a face-centered cubic (fcc) single crystal without any impurity. This study reveals that the UV irradiation-mediated method is a green chemistry and promising route for the synthesis of stable Ag-NPs for several applications (e.g., medical and surgical devices). The important advantages of this method are that it is cheap, easy, and free of toxic materials.
Keywords: silver nanoparticles; gelatin; UV-light; stabilizer; UV-Vis spectroscopy silver nanoparticles; gelatin; UV-light; stabilizer; UV-Vis spectroscopy
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Darroudi, M.; Ahmad, M.B.; Zak, A.K.; Zamiri, R.; Hakimi, M. Fabrication and Characterization of Gelatin Stabilized Silver Nanoparticles under UV-Light. Int. J. Mol. Sci. 2011, 12, 6346-6356.

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