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Issue 33, 2013
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2-D gold nanoparticle arrays from thermally directed self-assembly of peptide-derivatized block copolymers

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Abstract

Collective surface plasmons (SPs) generated by two-dimensional (2-D) Au nanostructures are attractive for developing miniaturized photonic devices with sub-wavelength plasmonic structures and bimolecular sensors with single molecule sensitivity. However, high-fidelity methods for fabricating ordered arrays of AuNPs with nanoscale precision are limited. Herein, the fabrication of AuNP hierarchical structures with tunable domain spacing controlled precisely by Au phage peptide (A3) end-functionalized poly(methyl methacrylate) (PMMA) domains in a hexagonally packed polystyrene-PMMA block copolymer (BCP-A3) thin films is demonstrated. Dynamic thermal field processing techniques control the BCP-A3 orientation and ordered-assembly, thus controlling the arrangement of AuNP superstructures from hexagonal clusters to parallel wires.

Graphical abstract: 2-D gold nanoparticle arrays from thermally directed self-assembly of peptide-derivatized block copolymers

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Supplementary files

Article information


Submitted
22 Apr 2013
Accepted
03 Jul 2013
First published
03 Jul 2013

Soft Matter, 2013,9, 8023-8032
Article type
Paper

2-D gold nanoparticle arrays from thermally directed self-assembly of peptide-derivatized block copolymers

T. Rao, G. Singh, S. Xie, A. Karim and M. L. Becker, Soft Matter, 2013, 9, 8023
DOI: 10.1039/C3SM51106E

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