Dynamic stabilization of Janus sphere trans -dimers

Joel N. Johnson, Amir Nourhani, Robert Peralta, Christopher McDonald, Benjamin Thiesing, Christopher J. Mann, Paul E. Lammert, John G. Gibbs

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


We experimentally investigated the self-assembly of chemically active colloidal Janus spheres into dimers. The trans-dimer conformation, in which the two active sites are oriented roughly in opposite directions and the particles are osculated at their equators, becomes dominant as the hydrogen peroxide fuel concentration increases. Our observations suggest high spinning frequency combined with little translational motion is at least partially responsible for the stabilization of the trans-dimer as activity increases.

Original languageEnglish (US)
Article number042609
JournalPhysical Review E
Issue number4
StatePublished - Apr 25 2017

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics


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