A design strategy for the hierarchical fabrication of colloidal hybrid mesostructures

Lin Jia, Guangyao Zhao, Weiqing Shi, Neil Coombs, Ilya Gourevich, Gilbert C. Walker, Gerald Guerin (), Ian Manners () and Mitchell A. Winnik ()
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Lin Jia: University of Toronto
Guangyao Zhao: University of Toronto
Weiqing Shi: University of Toronto
Neil Coombs: University of Toronto
Ilya Gourevich: University of Toronto
Gilbert C. Walker: University of Toronto
Gerald Guerin: University of Toronto
Ian Manners: School of Chemistry, University of Bristol
Mitchell A. Winnik: University of Toronto

Nature Communications, 2014, vol. 5, issue 1, 1-8

Abstract: Abstract Advances in nanotechnology depend upon expanding the ability to create new and complex materials with well-defined multidimensional mesoscale structures. The creation of hybrid hierarchical structures by combining colloidal organic and inorganic building blocks remains a challenge due to the difficulty in preparing organic structural units of precise size and shape. Here we describe a design strategy to generate controlled hierarchical organic–inorganic hybrid architectures by multistep bottom-up self-assembly. Starting with a suspension of large inorganic nanoparticles, we anchor uniform block copolymer crystallites onto the nanoparticle surface. These colloidally stable multi-component particles can initiate the living growth of uniform cylindrical micelles from their surface, leading to three-dimensional architectures. Structures of greater complexity can be obtained by extending the micelles via addition of a second core-crystalline block copolymer. This controlled growth of polymer micelles from the surface of inorganic particles opens the door to the construction of previously inaccessible colloidal organic–inorganic hybrid structures.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4882

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DOI: 10.1038/ncomms4882

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