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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

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Received: 21 July 2011 / Revised: 18 August 2011 / Accepted: 6 September 2011 / Published: 23 September 2011
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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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 which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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