Static-state particle fabrication via rapid vitrification of a thixotropic medium

Sang Yup Kim, Shanliangzi Liu, Sungwoo Sohn, Jane Jacobs, Mark D. Shattuck, Corey S. O’Hern, Jan Schroers, Michael Loewenberg and Rebecca Kramer-Bottiglio ()
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Sang Yup Kim: Yale University
Shanliangzi Liu: Yale University
Sungwoo Sohn: Yale University
Jane Jacobs: Yale University
Mark D. Shattuck: City University of New York
Corey S. O’Hern: Yale University
Jan Schroers: Yale University
Michael Loewenberg: Yale University
Rebecca Kramer-Bottiglio: Yale University

Nature Communications, 2021, vol. 12, issue 1, 1-8

Abstract: Abstract Functional particles that respond to external stimuli are spurring technological evolution across various disciplines. While large-scale production of functional particles is needed for their use in real-life applications, precise control over particle shapes and directional properties has remained elusive for high-throughput processes. We developed a high-throughput emulsion-based process that exploits rapid vitrification of a thixotropic medium to manufacture diverse functional particles in large quantities. The vitrified medium renders stationary emulsion droplets that preserve their shape and size during solidification, and energetic fields can be applied to build programmed anisotropy into the particles. We showcase mass-production of several functional particles, including low-melting point metallic particles, self-propelling Janus particles, and unidirectionally-magnetized robotic particles, via this static-state particle fabrication process.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23992-2

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DOI: 10.1038/s41467-021-23992-2

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