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Volume 191, 2016
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Programmed assembly of oppositely charged homogeneously decorated and Janus particles

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Abstract

The exploitation of colloidal building blocks with morphological and functional anisotropy facilitates the generation of complex structures with unique properties, which are not exhibited by isotropic particle assemblies. Herein, we demonstrate an easy and scalable bottom-up approach for the programmed assembly of hairy oppositely charged homogeneously decorated and Janus particles based on electrostatic interactions mediated by polyelectrolytes grafted onto their surface. Two different assembly routes are proposed depending on the target structures: raspberry-like/half-raspberry-like or dumbbell-like micro-clusters. Ultimately, stable symmetric and asymmetric micro-structures could be obtained in a well-controlled manner for the homogeneous–homogeneous and homogeneous–Janus particle assemblies, respectively. The spatially separated functionalities of the asymmetric Janus particle-based micro-clusters allow their further assembly into complex hierarchical constructs, which may potentially lead to the design of materials with tailored plasmonics and optical properties.

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Publication details

The article was received on 29 Jan 2016, accepted on 11 Mar 2016 and first published on 11 Mar 2016


Article type: Paper
DOI: 10.1039/C6FD00008H
Citation: Faraday Discuss., 2016,191, 89-104
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    Programmed assembly of oppositely charged homogeneously decorated and Janus particles

    A. Kirillova, G. Stoychev and A. Synytska, Faraday Discuss., 2016, 191, 89
    DOI: 10.1039/C6FD00008H

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