Responsive polymer/gold nanoparticle composite thin films fabricated by solvent-induced self-assembly and spin-coating

Dongxiang Li; Ji Yong Lee; Dong Ha Kim

doi:10.1016/j.jcis.2010.11.046

Responsive polymer/gold nanoparticle composite thin films fabricated by solvent-induced self-assembly and spin-coating

Dongxiang Li, Ji Yong Lee, Dong Ha Kim

Department of Chemistry & Nanoscience

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Self-assembled poly(4-vinylpyridine)-grafted gold (Au) nanoparticles (NPs) and polystyrene-b-poly(4-vinylpyridine) block copolymers were fabricated by the introduction of a selective solvent to a common solution. The assembled mixtures were spin-coated onto solid substrates to fabricate composite gold/polymer thin films composed of copolymer-hybridized Au NPs and independent copolymer micelles. The obtained composite Au thin films had variable localized surface plasmon resonance (LSPR) bands and microscopic morphologies upon vapor annealing with selective solvents because the adsorption and dissolving of solvent molecules into the films could rearrange the copolymer block. The hybrid nanostructured Au thin films may have potential in vapor sensing and organic assays.

Original language	English
Pages (from-to)	585-591
Number of pages	7
Journal	Journal of Colloid and Interface Science
Volume	354
Issue number	2
DOIs	https://doi.org/10.1016/j.jcis.2010.11.046
State	Published - 15 Feb 2011

Bibliographical note

Funding Information:
This work was supported by RP-Grant 2010 of Ewha Womans University.

Keywords

Block copolymer
Gold thin films
Self-assembly

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10.1016/j.jcis.2010.11.046

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title = "Responsive polymer/gold nanoparticle composite thin films fabricated by solvent-induced self-assembly and spin-coating",

abstract = "Self-assembled poly(4-vinylpyridine)-grafted gold (Au) nanoparticles (NPs) and polystyrene-b-poly(4-vinylpyridine) block copolymers were fabricated by the introduction of a selective solvent to a common solution. The assembled mixtures were spin-coated onto solid substrates to fabricate composite gold/polymer thin films composed of copolymer-hybridized Au NPs and independent copolymer micelles. The obtained composite Au thin films had variable localized surface plasmon resonance (LSPR) bands and microscopic morphologies upon vapor annealing with selective solvents because the adsorption and dissolving of solvent molecules into the films could rearrange the copolymer block. The hybrid nanostructured Au thin films may have potential in vapor sensing and organic assays.",

keywords = "Block copolymer, Gold thin films, Self-assembly",

author = "Dongxiang Li and Lee, {Ji Yong} and Kim, {Dong Ha}",

note = "Funding Information: This work was supported by RP-Grant 2010 of Ewha Womans University.",

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doi = "10.1016/j.jcis.2010.11.046",

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AU - Lee, Ji Yong

AU - Kim, Dong Ha

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AB - Self-assembled poly(4-vinylpyridine)-grafted gold (Au) nanoparticles (NPs) and polystyrene-b-poly(4-vinylpyridine) block copolymers were fabricated by the introduction of a selective solvent to a common solution. The assembled mixtures were spin-coated onto solid substrates to fabricate composite gold/polymer thin films composed of copolymer-hybridized Au NPs and independent copolymer micelles. The obtained composite Au thin films had variable localized surface plasmon resonance (LSPR) bands and microscopic morphologies upon vapor annealing with selective solvents because the adsorption and dissolving of solvent molecules into the films could rearrange the copolymer block. The hybrid nanostructured Au thin films may have potential in vapor sensing and organic assays.

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KW - Self-assembly

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Responsive polymer/gold nanoparticle composite thin films fabricated by solvent-induced self-assembly and spin-coating

Abstract

Bibliographical note

Keywords

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