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Highly Flexible, Transparent and Electrically Conducting Silver Nanoparticles Films Enabled by Controlled Sedimentation

Published online by Cambridge University Press:  02 August 2012

Matthew Ombaba
Affiliation:
University of California, Electrical and Computer Engineering, One shields Avenue, Davis, California, U.S.A, 95616.
Takayuki Hasegawa
Affiliation:
University of California, Electrical and Computer Engineering, One shields Avenue, Davis, California, U.S.A, 95616. Ryukoku University, Department of Electronics and Informatics, Seta, Otsu, 520-2194, Japan.
Li Lu
Affiliation:
University of California, Electrical and Computer Engineering, One shields Avenue, Davis, California, U.S.A, 95616. Nara Institute of Science and Technology (NAIST), Graduate School of Materials Science, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan.
Yusuke Yasuda
Affiliation:
University of California, Electrical and Computer Engineering, One shields Avenue, Davis, California, U.S.A, 95616. Nara Institute of Science and Technology (NAIST), Graduate School of Materials Science, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan.
Mutsumi Kimura
Affiliation:
Ryukoku University, Department of Electronics and Informatics, Seta, Otsu, 520-2194, Japan.
Takashi Nishida
Affiliation:
Nara Institute of Science and Technology (NAIST), Graduate School of Materials Science, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan.
Shinji Koh
Affiliation:
Nara Institute of Science and Technology (NAIST), Graduate School of Materials Science, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan.
Yukihara Uraoka
Affiliation:
Nara Institute of Science and Technology (NAIST), Graduate School of Materials Science, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan.
M. Saif Islam*
Affiliation:
Nara Institute of Science and Technology (NAIST), Graduate School of Materials Science, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan.
*
*Corresponding Author. Email: sislam@ucdavis.edu
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Abstract

Often, silver nanoparticles (AgNps) are looked at in the realm of their plasmonic effects that are characterized by unique absorptional bands in the visible spectrum. Herein, the kinetics of a simple gravity mediated sedimentation process of AgNps, in aqueous suspensions. The surface energy mismatch between the AgNps and the receiver substrate allow for the formation of irregularly shaped AgNp microclusters with interconnected microchannels with dimensions and particle density controlled by the distance between the exposed substrate surface and the water/suspension interface. An investigation of the interplay between these properties and the films’ nanoparticle density is presented.

Type
Articles
Copyright
Copyright © Materials Research Society 2012

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References

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