Magnetically directed assembly of nanocrystals for catalytic control of a three-component coupling reaction
Crystal Growth & Design, 2016•ACS Publications
Randomly distributed colloidal magnetic nanoparticles in solution are polarized in the
presence of an external magnetic field, and the interparticle dipole–dipole attraction drives
their assembly into linear chains. In this Communication, we report using a model A3-
coupling reaction, that the field-directed self-assembly of gold-coated magnetite (Fe3O4@
Au) nanoparticles can be used to remotely control the rate of reaction by manipulating their
colloidal assembly of catalyst in situ.
presence of an external magnetic field, and the interparticle dipole–dipole attraction drives
their assembly into linear chains. In this Communication, we report using a model A3-
coupling reaction, that the field-directed self-assembly of gold-coated magnetite (Fe3O4@
Au) nanoparticles can be used to remotely control the rate of reaction by manipulating their
colloidal assembly of catalyst in situ.
Randomly distributed colloidal magnetic nanoparticles in solution are polarized in the presence of an external magnetic field, and the interparticle dipole–dipole attraction drives their assembly into linear chains. In this Communication, we report using a model A3-coupling reaction, that the field-directed self-assembly of gold-coated magnetite (Fe3O4@Au) nanoparticles can be used to remotely control the rate of reaction by manipulating their colloidal assembly of catalyst in situ.
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