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Ordered Nanoparticle Arrays Synthesized from Self-Assembled Diblock Copolymer Templates

Published online by Cambridge University Press:  31 January 2011

Jennifer Lu,
Qiang Fu,
Anita Ghia and
Chi-shuo Chen
Jennifer Lu
Affiliation:
jlu5@ucmerced.edu, University of California, 5200 North Lake Road, Merced, California, 95343, United States
Qiang Fu
Affiliation:
School of Engineering, University of California, Merced Merced CA95348
Anita Ghia
Affiliation:
School of Engineering, University of California, Merced Merced CA95348
Chi-shuo Chen
Affiliation:
School of Engineering, University of California, Merced Merced CA95348
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Abstract

We present a comprehensive study of using diblock copolymer micelle templates to synthesize ordered nanoparticle arrays. Ionic and coordination bonds have been exploited to incorporate nanoparticle precursors into cores of block copolymer micelles. Polystyrene-b-poly (4-vinylpyridine) (PS-b-P4VP) has been shown to be able to localize anions via electrostatic attraction with protonated pyridine cations while transitional metals can be sequestered through coordination bonds. Polystyrene-b-poly (acrylic acid) (PS-PAA) can localize a variety of cations via ionic bonds with acrylic anions. We have demonstrated that the size of nanoparticles can be tuned by controlling the solution concentration of an ionic precursor. By mixing these two distinct block copolymers which can selectively interact with different precursor species, complex nanoparticle architectures can be generated thus paving a path for new applications.

Keywords

polymernanostructuremorphology

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1174: Symposium V – Functional Metal-Oxide Nanostructures , 2009, 1174-V11-05
Copyright
Copyright © Materials Research Society 2009

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