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Green Synthesis of highly concentrated aqueous colloidal solutions of large starch stabilised silver nanoplatelets

Cheng, F, Betts, JW, Kelly, SM and Hector, AL (2015) Green Synthesis of highly concentrated aqueous colloidal solutions of large starch stabilised silver nanoplatelets Materials Science and Engineering C: Biomimetic and Supramolecular Systems, 46. pp. 530-537.

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Abstract

A simple, environmentally friendly and cost-effective method has been developed to prepare a range of aqueous silver colloidal solutions, using ascorbic acid as a reducing agent, water-soluble starch as a combined crystallising, stabilising and solubilising agent, and water as the solvent. The diameter of silver nanoplatelets increases with higher concentrations of AgNO3 and starch. The silver nanoparticles are also more uniform in shape the greater the diameter of the nanoparticles. Colloidal solutions with a very high concentration of large, flat, hexagonal silver nanoplatelets (~230 nm in breadth) have been used to deposit and fix an antibacterial coating of these large starch-stabilised silver nanoplates on commercial cotton fibres, using a simple dip-coating process using water as the solvent, in order to study the dependence of the antibacterial properties of these nanoplatelets on their size.

Item Type: Article
Authors :
NameEmailORCID
Cheng, FUNSPECIFIEDUNSPECIFIED
Betts, JWjono.betts@surrey.ac.ukUNSPECIFIED
Kelly, SMUNSPECIFIEDUNSPECIFIED
Hector, ALUNSPECIFIEDUNSPECIFIED
Date : 9 January 2015
Identification Number : 10.1016/j.msec.2014.10.041.
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:43
Last Modified : 17 May 2017 14:52
URI: http://epubs.surrey.ac.uk/id/eprint/828978

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