Supplementary Material Orientationally Glassy Crystals of Janus Spheres

Orientationally Glassy Crystals of Janus Spheres

Shan Jiang, Jing Yan, Jonathan K. Whitmer, Stephen M. Anthony, Erik Luijten, and Steve Granick Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 61801, USA Department of Physics, University of Illinois, Urbana, Illinois 61801, USA Department of Chemistry, University of Illinois, Urbana, Illinois 61801, USA Department of Materials Science and Engineering, ...

Theory of crystallization and orientational ordering of spherical Janus colloids

Submitted for the MAR13 Meeting of The American Physical Society Theory of crystallization and orientational ordering of spherical Janus colloids HOMIN SHIN, KENNETH SCHWEIZER, University of Illinois at Urbana-Champaign — Amphiphilic Janus particles have two chemically distinct surfaces, one hydrophobic (attractive) and the other hydrophilic (repulsive), resulting in orientationally anisotropic...

Dislocations and vacancies in two-dimensional mixed crystals of spheres and dimers.

In colloidal crystals of spheres, dislocation motion is unrestricted. On the other hand, recent studies of relaxation in crystals of colloidal dimer particles have demonstrated that the dislocation dynamics in such crystals are reminiscent of glassy systems. The observed glassy dynamics arise as a result of dislocation cages formed by certain dimer orientations. In the current study, we use exp...

Supporting Online Material for Supracolloidal Reaction Kinetics of Janus Spheres

Selective Janus particle assembly at tipping points of thermally-switched wetting.

Thermal wetting can simply, selectively and reversibly join patchy particles into clusters (2D and 3D) and also colloidal crystals over the narrow temperature range of 1-2 °C. This is demonstrated with Janus particles (gold half-coated silica spheres) immersed in a binary mixture of water/2,6-lutidine, such that the relative strength of gold-gold bonding through hydrophobic interaction and sili...