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Synthesis of copper nanoparticles by polyol/alcohol reduction method

Published online by Cambridge University Press:  24 January 2012

Jhon L. Cuya Huaman ,
Kimitaka Sato ,
Satoru Kurita ,
Takatoshi Matsumoto ,
Hiroshi Miyamura  and
Jeyadevan Balachandran
Jhon L. Cuya Huaman
Affiliation:
Department of Materials Science, School of Engineering, The University of Shiga Prefecture. Hikone, Japan.
Kimitaka Sato
Affiliation:
DOWA Holdings Co. Ltd. Tokyo-Japan
Satoru Kurita
Affiliation:
DOWA Holdings Co. Ltd. Tokyo-Japan
Takatoshi Matsumoto
Affiliation:
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University. Sendai-Japan.
Hiroshi Miyamura
Affiliation:
Department of Materials Science, School of Engineering, The University of Shiga Prefecture. Hikone, Japan.
Jeyadevan Balachandran
Affiliation:
Department of Materials Science, School of Engineering, The University of Shiga Prefecture. Hikone, Japan.
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Abstract

Oleylamine stabilized copper nanoparticles with an average diameter of ~10 nm were obtained by reducing copper chloride with 1-heptanol. Surfactants such as oleylamine, poly (N-vinylpyrrolidone) and oleic acid were used to avoid the agglomeration and growth of the particles during the synthesis and consequent dispersion in organic solvent. The analyses of the samples indicated that oleylamine results to be more suitable to prepare stable copper suspensions in dodecane. The electrical resistivity of the copper thin films prepared by spin coating the copper nanoink and annealed at 250 °C under different atmospheres was less than 35 μΩ-cm, which is closer to the values reported for Cu nanoparticles.

Keywords

Cunanoscaleelectronic material
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1400: Symposium S – Solution Processing of Inorganic and Hybrid Materials for Electronics and Photonics , 2012 , mrsf11-1400-s07-02
Copyright
Copyright © Materials Research Society 2012

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