Preparation of Green Nanosilver by Ascorbic Acid and its Spectral Properties

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In the presence of stabilizer of citrate and room temperature, stable green nanosilver sol was prepared by reduction of AgNO3 by ascorbic acid. It was characterized by UV-visible spectroscopy, resonance Rayleigh scattering (RRS) spectroscopy, laser scattering and transmission electron microscopy. Results showed that the nanosilver sol exhibited a RRS peak at 496 nm, a strong absorption peak at 414 nm and the particle size is 12 nm.

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503-506

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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