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Green synthesis of highly concentrated aqueous colloidal solutions of large starch-stabilised silver nanoplatelets.
- Source :
-
Materials Science & Engineering: C . Jan2015, Vol. 46, p530-537. 8p. - Publication Year :
- 2015
-
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 AgNO 3 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. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09284931
- Volume :
- 46
- Database :
- Academic Search Index
- Journal :
- Materials Science & Engineering: C
- Publication Type :
- Academic Journal
- Accession number :
- 99896764
- Full Text :
- https://doi.org/10.1016/j.msec.2014.10.041