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

Title
Responsive polymer/gold nanoparticle composite thin films fabricated by solvent-induced self-assembly and spin-coating
Authors
Li D.Lee J.Y.Kim D.H.
Ewha Authors
김동하
SCOPUS Author ID
김동하scopus
Issue Date
2011
Journal Title
Journal of Colloid and Interface Science
ISSN
0021-9797JCR Link
Citation
vol. 354, no. 2, pp. 585 - 591
Indexed
SCI; SCIE; SCOPUS WOS scopus
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. © 2010 Elsevier Inc.
DOI
10.1016/j.jcis.2010.11.046
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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