Construction of composite particles with monolayered poly(styrene-co-acrylic acid) spheres on gold surface via heterocoagulation

Jong Hyuk Park, Sangwook Woo, Jung-Hyun Kim, Raehyun Kim, Junkyung Kim, Sang Soo Lee

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Composite particles are successfully fabricated in a shape of bead-on-bead through a heterocoagulation. Submicron poly(styrene-co-acrylic acid) (PSAA) spheres are prepared and used as guest materials of composite particles. The spheres adsorb on the gold surface of a host material in perfect monolayered form and the pH dependence of the adsorption degree is also investigated. At strong acidic condition, the spheres are effectively adsorbed on the host materials, while the adsorption efficiency dramatically decreases with increasing pH due to the deprotonation of carboxyl groups at the surface of the spheres. Even though the composite particles are immersed in good solvents of PSAA for 12 h, the particles exhibit excellent adsorption stability.

Original languageEnglish
Pages (from-to)3916-3918
Number of pages3
JournalMaterials Letters
Volume62
Issue number23
DOIs
Publication statusPublished - 2008 Aug 31

Fingerprint

Styrene
acrylic acid
Gold
Acrylics
polystyrene
gold
composite materials
Acids
Composite materials
Adsorption
beads
adsorption
Deprotonation
carboxyl group

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Park, Jong Hyuk ; Woo, Sangwook ; Kim, Jung-Hyun ; Kim, Raehyun ; Kim, Junkyung ; Lee, Sang Soo. / Construction of composite particles with monolayered poly(styrene-co-acrylic acid) spheres on gold surface via heterocoagulation. In: Materials Letters. 2008 ; Vol. 62, No. 23. pp. 3916-3918.
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Construction of composite particles with monolayered poly(styrene-co-acrylic acid) spheres on gold surface via heterocoagulation. / Park, Jong Hyuk; Woo, Sangwook; Kim, Jung-Hyun; Kim, Raehyun; Kim, Junkyung; Lee, Sang Soo.

In: Materials Letters, Vol. 62, No. 23, 31.08.2008, p. 3916-3918.

Research output: Contribution to journalArticle

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T1 - Construction of composite particles with monolayered poly(styrene-co-acrylic acid) spheres on gold surface via heterocoagulation

AU - Park, Jong Hyuk

AU - Woo, Sangwook

AU - Kim, Jung-Hyun

AU - Kim, Raehyun

AU - Kim, Junkyung

AU - Lee, Sang Soo

PY - 2008/8/31

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AB - Composite particles are successfully fabricated in a shape of bead-on-bead through a heterocoagulation. Submicron poly(styrene-co-acrylic acid) (PSAA) spheres are prepared and used as guest materials of composite particles. The spheres adsorb on the gold surface of a host material in perfect monolayered form and the pH dependence of the adsorption degree is also investigated. At strong acidic condition, the spheres are effectively adsorbed on the host materials, while the adsorption efficiency dramatically decreases with increasing pH due to the deprotonation of carboxyl groups at the surface of the spheres. Even though the composite particles are immersed in good solvents of PSAA for 12 h, the particles exhibit excellent adsorption stability.

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