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A green protocol for room temperature synthesis of silver nanoparticles in seconds

Sivaraman, Sankar Kalidas and Elango, Iniyan and Kumar, Sanjeev and Santhanam, Venugopal (2009) A green protocol for room temperature synthesis of silver nanoparticles in seconds. In: Current science, 97 (7). pp. 1055-1059.

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Abstract

We describe here a rapid, energy-efficient, green and economically scalable room temperature protocol for the synthesis of silver nanoparticles. Tannic acid, a polyphenolic compound derived from plant extracts is used as the reducing agent. Silver nanoparticles of mean size ranging from 3.3 to 22.1 nm were synthesized at room temperature by the addition of silver nitrate to tannic acid solution maintained at an alkaline pH. The mean size was tuned by varying the molar ratio of tannic acid to silver nitrate. We also present proof of concept results demonstrating its suitability for room temperature continuous flow processing.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Indian Academy of Sciences.
Keywords: Green synthesis; pH; room temperature; silver nanoparticles; tannic acid
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Date Deposited: 10 Dec 2009 10:08
Last Modified: 19 Sep 2010 05:52
URI: http://eprints.iisc.ernet.in/id/eprint/24925

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