Nanoassembly of block copolymer micelle and graphene oxide to multilayer coatings

Jinkee Hong, Yong Soo Kang, Sang Wook Kang

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We report on the preparation and characterization of multidimensional nano-objects nanoassembly in film surface coatings. 2D reduced graphene oxide (rGO) sheets are assembled with 0D block copolymer micelles (BCM)s through electrostatic layer-by-layer assembly. The BCM/rGO paired nanoassembly surface coatings were formed via sequential adsorption of polystyrene-block-poly(4- vinylpyridine) (PS-b-P4VP) aqueous solutionsand modified rGO sheets with carboxylic acids groups, and the process was monitored by UV-vis spectroscopy. SEM and AFM were used to investigate surface morphology and the growth of multilayer coatings as a function of the number of bilayers. In addition, encapsulated hydrophobic fluorescence organic dyes were imaged via confocal microscopy. Evenly distributed BCMs on coatings were successfully obtained. We expect that this demonstration offers a new route to introduce nanoassembly of two different dimensional-shaped nano-objects in surface coatings for many industrial uses and makes building more complex, functional multicomponent, and multidimensional structures possible for use in nano-objects incorporated various multicoating applications.

Original languageEnglish
Pages (from-to)3095-3099
Number of pages5
JournalIndustrial and Engineering Chemistry Research
Volume50
Issue number6
DOIs
Publication statusPublished - 2011 Mar 16

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Graphite
Micelles
Oxides
Graphene
Block copolymers
Multilayers
Coatings
Confocal microscopy
Carboxylic Acids
Ultraviolet spectroscopy
Carboxylic acids
Surface morphology
Electrostatics
Polystyrenes
Coloring Agents
Demonstrations
Dyes
Fluorescence
Adsorption
Scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

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abstract = "We report on the preparation and characterization of multidimensional nano-objects nanoassembly in film surface coatings. 2D reduced graphene oxide (rGO) sheets are assembled with 0D block copolymer micelles (BCM)s through electrostatic layer-by-layer assembly. The BCM/rGO paired nanoassembly surface coatings were formed via sequential adsorption of polystyrene-block-poly(4- vinylpyridine) (PS-b-P4VP) aqueous solutionsand modified rGO sheets with carboxylic acids groups, and the process was monitored by UV-vis spectroscopy. SEM and AFM were used to investigate surface morphology and the growth of multilayer coatings as a function of the number of bilayers. In addition, encapsulated hydrophobic fluorescence organic dyes were imaged via confocal microscopy. Evenly distributed BCMs on coatings were successfully obtained. We expect that this demonstration offers a new route to introduce nanoassembly of two different dimensional-shaped nano-objects in surface coatings for many industrial uses and makes building more complex, functional multicomponent, and multidimensional structures possible for use in nano-objects incorporated various multicoating applications.",
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Nanoassembly of block copolymer micelle and graphene oxide to multilayer coatings. / Hong, Jinkee; Kang, Yong Soo; Kang, Sang Wook.

In: Industrial and Engineering Chemistry Research, Vol. 50, No. 6, 16.03.2011, p. 3095-3099.

Research output: Contribution to journalArticle

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