Synthesis and Self-Assembly of Colloidal Molecules

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Most colloids are isotropic particles that assemble in regular crystal structures in solution and on surfaces. The general aim of this bilateral Sino-German collaboration is to develop innovative methods to prepare colloidal molecules, i.e. well-defined 1D, 2D and 3D clusters of anisotropic "Janus" or "patchy" particles and to investigate the self-assembly of such colloidal molecules in solution and on surfaces. This proposal has three central objectives: 1) Generation of Janus particles functionalized with polymer brushes; 2) Preparation, assembly and manipulation of Janus particles in a magnetic field; 3) Preparation and self-assembly of microscale inverse opals with polymer brushes, which should give rise to self-assembled photonic structures.