Janus and ternary particles generated by microfluidic synthesis: Design, synthesis, and self-assembly

Zhihong Nie, Wei Li, Minseok Seo, Shengqing Xu, Eugenia Kumacheva

Research output: Contribution to journalArticle

555 Scopus citations

Abstract

This paper reports a microfluidic method for fast continuous synthesis of Janus particles and three-phase particles with narrow size distribution. Synthesis of particles included emulsification of monomer liquids and in-situ photoinitiated polymerization of multiphase droplets. We show the strategy for precise control over the structure of Janus particles and their structure-dependent assembly in clusters. We demonstrate an asymmetric chemical modification of the surface of JPs by conjugating them with protein molecules. The Janus and ternary particles were synthesized from largely immiscible liquids and had a sharp interface between the constituent phases.

Original languageEnglish
Pages (from-to)9408-9412
Number of pages5
JournalJournal of the American Chemical Society
Volume128
Issue number29
DOIs
StatePublished - Jul 26 2006

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