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The Influence of Silver Precursor Concentration on Size of Silver Nanoparticles Grown by Soft Chemical Route

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Author Affiliations

  • 1 Department of Physics, Sri Venkateswara University, Tirupati, INDIA

Res. J. Physical Sci., Volume 1, Issue (7), Pages 11-14, August,4 (2013)

Abstract

We demonstrated the morphology and size control on the nanoparticles by varying the silver precursor concentration. Silver nanoparticles are synthesized using Tri sodiumcitrate as reducing agent and PVA as capping agent. Different concentrations of silver precursor are used to study its effect on the size of the nanoparticles. Broadened XRD peaks confirmed the formation of nanosized silver nanoparticles with face centred cubic structure and is consistent with FESEM studies. Further XRD results revealed the increase of mean particle size with increase of silver nitrate concentration. FESEM images showed the formation of spherical silver nanoparticles in nanometre regime. EDAX analysis confirmed the presence of elemental silver without any further impurities in the prepared nanoparticles. PL study ascertains the decrement of luminescence intensity with increase of silver precursor concentration due to increase of particle sizes.

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