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Patterning of copper particles on polymeric surface

Published online by Cambridge University Press:  31 January 2011

Arvind Sinha,
Swapan Kumar Das,
V. Rao and
P. Ramachandrarao
Arvind Sinha
Affiliation:
National Metallurgical Laboratory, Jamshedpur-831 007, India
Swapan Kumar Das
Affiliation:
National Metallurgical Laboratory, Jamshedpur-831 007, India
V. Rao
Affiliation:
National Metallurgical Laboratory, Jamshedpur-831 007, India
P. Ramachandrarao
Affiliation:
National Metallurgical Laboratory, Jamshedpur-831 007, India
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Abstract

In situ synthesis of fine copper particles (>200 nm) has been carried out using borohydride reduction in preorganized gel of poly(vinyl alcohol). The copper ions were chelated by polymer matrix at room temperature thorough physical entrapment along with a weak chemical complexation. The process is akin to biomimetic route and demonstrates a high order of control over nucleation, growth, and morphologies as well as orientation of the end product. The organized arrays of copper sulfate precipitate and copper particles replicate the conformation of organic matrix and form patterned structures similar to one observed in stationary chemical waves.

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Articles
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Journal of Materials Research , Volume 16 , Issue 5 , May 2001, pp. 1354 - 1357
Copyright
Copyright © Materials Research Society 2001

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