A microfluidic approach to chemically driven assembly of colloidal particles at gas-liquid interfaces

Jai Il Park, Zhihong Nie, Alexander Kumachev, Ahmed I. Abdelrahman, Bernard P. Binks, Howard A. Stone, Eugenia Kumacheva

Research output: Contribution to journalArticlepeer-review

79 Scopus citations

Abstract

Bubbling up: Dissolution of CO2 bubbles in a suspension of colloidal particles chemically induces the assembly of particles on the surface of shrunken bubbles, and thus yields rapid continuous formation of a colloidal armor. This approach maintains the high colloidal stability of particles in bulk, has increased productivity, and allows the formation of bubbles with precisely controlled dimensions.

Original languageEnglish (US)
Pages (from-to)5300-5304
Number of pages5
JournalAngewandte Chemie - International Edition
Volume48
Issue number29
DOIs
StatePublished - Jul 6 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

Keywords

  • Colloids
  • Interfaces
  • Microfluidics
  • Self-assembly
  • Surface chemistry

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