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Area of Science:

  • Colloid science
  • Materials science
  • Statistical physics

Background:

  • Colloidal particle shape and interactions influence percolation.
  • One-patch spherocylinders are a recently fabricated system.
  • Understanding self-assembly and network formation is crucial.

Purpose of the Study:

  • Investigate the structure and percolation of one-patch spherocylinders.
  • Analyze how particle shape and adsorption affect network formation.
  • Compare percolation in spherocylinder systems to spherical systems.

Main Methods:

  • Monte Carlo simulations were employed.
  • Studied systems of one-patch spherocylinders.
  • Analyzed structural and orientational properties.

Main Results:

  • One-patch spherocylinders self-assemble into multipods (dipods, tetrapods, pentapods) under strong adsorption.
  • These multipods form percolation networks at high volume fractions.
  • Percolation is inhibited in systems of one-patch spheres due to local structures.
  • Increasing adsorption and patch angle reduces the percolation threshold.

Conclusions:

  • Self-assembly of one-patch spherocylinders leads to percolation networks.
  • Particle geometry and adsorption strength are key factors in network formation.
  • The system exhibits tunable percolation behavior based on patch angle and adsorption.