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Multicompartment Mesoporous Silica Nanoparticles with Branched Shapes: An Epitaxial Growth Mechanism

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Science  19 Apr 2013:
Vol. 340, Issue 6130, pp. 337-341
DOI: 10.1126/science.1231391

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Tuning Mesopores

Porous materials are of interest for catalysis and filtration because the open channels lend themselves to separating materials or function. Suteewong et al. (p. 337) report on a method to make branched mesoporous silica nanoparticles that contain cubic (core) and hexagonally structured (branch) parts within one particle. Controlling the extent of the branched structure is achieved by tuning the concentration of additives in a simple, one-pot reaction system.