Direct-Write Freeform Colloidal Assembly

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 30(2018), 44 vom: 29. Nov., Seite e1803620
1. Verfasser: Tan, Alvin T L (VerfasserIn)
Weitere Verfasser: Beroz, Justin, Kolle, Mathias, Hart, A John
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article additive manufacturing colloids nanoparticles self-assembly structural color
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520 |a Colloidal assembly is an attractive means to control material properties via hierarchy of particle composition, size, ordering, and macroscopic form. However, despite well-established methods for assembling colloidal crystals as films and patterns on substrates, and within microscale confinements such as droplets or microwells, it has not been possible to build freeform colloidal crystal structures. Direct-write colloidal assembly, a process combining the bottom-up principle of colloidal self-assembly with the versatility of direct-write 3D printing, is introduced in the present study. By this method, centimeter-scale, free-standing colloidal structures are built from a variety of materials. A scaling law that governs the rate of assembly is derived; macroscale structural color is tailored via the size and crystalline ordering of polystyrene particles, and several freestanding structures are built from silica and gold particles. Owing to the diversity of colloidal building blocks and the means to control their interactions, direct-write colloidal assembly could therefore enable novel composites, photonics, electronics, and other materials and devices 
650 4 |a Journal Article 
650 4 |a additive manufacturing 
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650 4 |a self-assembly 
650 4 |a structural color 
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700 1 |a Kolle, Mathias  |e verfasserin  |4 aut 
700 1 |a Hart, A John  |e verfasserin  |4 aut 
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