Wiley, Angewandte Chemie International Edition, 46(49), p. 8616-8619, 2010
Wiley, Angewandte Chemie, 46(122), p. 8798-8801, 2010
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Rhythmic nanoparticles: Chemical oscillations can be coupled to the dynamic self-assembly of nanoparticles. Periodic pH changes translate into protonation and deprotonation of the ligands that stabilize the nanoparticles, thus altering repulsive and attractive interparticle forces. In a continuous stirred-tank reactor, rhythmic aggregation and dispersion is observed; in spatially distributed media, propagation of particle aggregation fronts is seen.