Catalytically driven assembly of trisegmented metallic nanorods and polystyrene tracer particles.

  title={Catalytically driven assembly of trisegmented metallic nanorods and polystyrene tracer particles.},
  author={Erik L Jewell and Wei Wang and Thomas E Mallouk},
  journal={Soft matter},
  volume={12 9},
Trisegmented Au-Ru-Au and Ru-Au-Ru nanorods catalyze the decomposition of hydrogen peroxide, pumping fluid along their axis as "pullers" and "pushers" respectively. Numerical simulations and experiments with passive tracer particles show that catalytically generated hydrodynamic and electrostatic forces both contribute to pairwise and collective particle assembly. 
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