High-Yield Synthesis of Monodisperse Dumbbell-Shaped Polymer Nanoparticles

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Original Entry: Tom Dimiduk APPHY 225 Fall 2010

[High-Yield Synthesis of Monodisperse Dumbbell-Shaped Polymer Nanoparticles http://pubs.acs.org.ezp-prod1.hul.harvard.edu/doi/pdf/10.1021/ja101760q]

Keywords

Surface Tension, Janus Colloid, Polymerization, Asymmetry, Core-shell Particle

Summary

The authors present a high yield, scalable method for synthesis of asymmetric nanoparticles with aspect ratios of up to 1.8. They use core shell particle consisting of a polystyrene core with a random copolymer of styrene and trimethoxysilylpropylacrylate (TMSPA) grown on the outside as a shell. The polystyrene can be swelled with toluene or styrene monomer. At sufficiently high swelling, the core will breach through the copolymer shell (see figure xxx).

Soft Matter Discussion