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Tunable electrical properties of polystyrene/gold core-shell structure by in situ metallization of cationic gold complex on selective ion-exchange sites

Published online by Cambridge University Press:  31 January 2011

Jun-Ho Lee ,
Hyoukryeol Choi  and
Jae-Do Nam
Jun-Ho Lee
Affiliation:
Polymer Technology Institute, Sungkyunkwan University, Jangan-gu,Suwon, 440-746, South Korea
Hyoukryeol Choi
Affiliation:
School of Mechanical Engineering, Sungkyunkwan University, Jangan-gu, Suwon, 440-746, South Korea
Jae-Do Nam*
Affiliation:
Department of Polymer Science and Engineering, Sungkyunkwan University, Jangan-gu, Suwon, 440-746, South Korea
*
a)Address all correspondence to this author. e-mail: jdnam@skku.edu
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Abstract

Gold-coated polystyrene (PS) beads were fabricated by an in situ metallization route involving a cationic-gold complex with a controlled amount of sulfonic acid groups formed on the PS bead surface. The interaction ratio of SO3− to [Au(phen)Cl2]+ may be estimated to be 2.4, which means that 2.4 sulfonated groups will interact with one gold cationic ligand based on geometric considerations. A modeling methodology was developed to predict the mechanical deformation, conductivity, and contact surface area of a spherical bead under compression.

Keywords

Electronic materialMetallic conductorMicroelectronics

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Type
Articles
Information
Journal of Materials Research , Volume 24 , Issue 1 , January 2009 , pp. 253 - 259
Copyright
Copyright © Materials Research Society 2009

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References

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