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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 7
BKCSDE 31(7)
July 20, 2010

Title	A Comparison Method of Silver Nanoparticles Prepared by the Gamma Irradiation and in situ Reduction Methods
Author	Chul Jae Lee, Mohammad Rezaul Karim, T Vasudevan, Hee Jin Kim, K Raushan, Maeng Joon Jung, Dong Yeub Kim, Mu Sang Lee*
Keywords	Composite materials, Irradiation effects, Polyvinyl pyrrolidone, Silver nanoparticles
Abstract	Silver nanoparticles has been prepared by the γ-irradiation and in situ reduction methods. Based on the Raman spectra, TEM images, X-ray Diffraction (XRD) patterns and UV-vis spectra, the in situ reduction method is more stable and the average size of the silver nanoparticles is also smaller than by the γ-irradiation reduction method. It is identified that the silver ions interacting with nonbonding electrons of oxygen atom in the carbonyl group of polyvinylpyrrolidone (PVP) by the in situ reduction method. It is also found advantages of the in situ reduction method including no additional reducing agents, without γ-irradiations treatment and the room temperature treatment suitability.
Page	1993 - 1996
Full Text	PDF

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