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Open Access Hybrid Colloids Produced by Sequential Capillarity-assisted Particle Assembly: A New Path for Complex Microparticles

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Colloidal particles have long been under the spotlight of a very diverse research community, given their ubiquitous presence in a broad class of materials and processes, and their pivotal role as model systems. More recently, intense efforts have been devoted to the development of micro- and nanoparticles combining multiple materials in objects with a controlled architecture, hence introducing multiple functionalities and a prescribed symmetry for interactions. These particles are often called hybrid colloids or colloidal molecules, given the analogy with classical molecules presenting well defined structures and chemical compositions. Here, we review the recent progress made in our group to fabricate a broad library of hybrid colloids exploiting a novel assembly route, which uses capillary forces at the moving edge of an evaporating droplet for the sequential composition of colloidal clusters, whose geometry and chemistry can be independently programmed.
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Keywords: ACTIVE COLLOIDS; COLLOIDAL MOLECULES; DIRECTED ASSEMBLY; HYBRID COLLOIDS

Document Type: Research Article

Affiliations: 1: Laboratory for Interfaces, Soft Matter, and Assembly Department of Materials, ETH Zurich Vladimir-Prelog-Weg 5, CH-8093 Zurich, IBM Research – Zurich Säumerstrasse 4 CH-8803 Rüschlikon 2: Laboratory for Interfaces, Soft Matter, and Assembly Department of Materials, ETH Zurich Vladimir-Prelog-Weg 5, CH-8093 Zurich 3: IBM Research – Zurich Säumerstrasse 4 CH-8803 Rüschlikon 4: Laboratory for Interfaces, Soft Matter, and Assembly Department of Materials, ETH Zurich Vladimir-Prelog-Weg 5, CH-8093 Zurich;, Email: [email protected]

Publication date: June 1, 2017

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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