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Microwave-assisted synthesis of silver nanorods

Published online by Cambridge University Press:  03 March 2011

Fu-Ken Liu*
Affiliation:
National Nano Device Laboratories, 1001-1 Ta Hsueh Road, 300 Hsinchu, Taiwan
Pei-Wen Huang
Affiliation:
Department of Nuclear Science, National Tsing Hua University, 101, Section 2 Kwong Fu Road, 300 Hsinchu, Taiwan
Yu-Cheng Chang
Affiliation:
Department of Nuclear Science, National Tsing Hua University, 101, Section 2 Kwong Fu Road, 300 Hsinchu, Taiwan
Fu-Hsiang Ko
Affiliation:
National Nano Device Laboratories, 1001-1 Ta Hsueh Road, 300 Hsinchu, Taiwan
Tieh-Chi Chu
Affiliation:
Department of Nuclear Science, National Tsing Hua University, 101, Section 2, Kuang Fu Road, 300 Hsinchu, Taiwan
*
a)Address all correspondence to this author. e-mail address: [email protected]
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Abstract

Described is a method for preparing crystalline silver nanorods in water, in the absence of a surfactant or polymer to direct nanoparticle growth, and without externally added seed crystallites. The procedure used is one in which a silver salt is reduced to silver metal by sodium citrate under the influence of microwave irradiation. Key aspects for the production of these nanorods are the use of a closed-chamber microwave heating system that allows precise temperature control and judicious choice of the citrate concentration. This novel finding demonstrates the utility of microwave-assisted synthesis and provides a promising method for the preparation of silver nanorods.

Type
Articles
Copyright
Copyright © Materials Research Society 2004

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References

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