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Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
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Optimising self-assembly through time-dependent interactions.

Christopher J Fullerton1, Robert L Jack1

  • 1Department of Physics, University of Bath, Bath BA2 7AY, United Kingdom.

The Journal of Chemical Physics
|January 5, 2017
PubMed
Summary
This summary is machine-generated.

We developed a simple method to improve colloidal self-assembly using time-dependent interactions. Initially strong bonds accelerate nucleation, followed by weaker bonds for high-quality structure growth.

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Area of Science:

  • Colloid science
  • Materials science
  • Chemical engineering

Background:

  • Colloidal systems are crucial in materials science.
  • Achieving high-quality self-assembled structures is challenging.
  • Controlling particle interactions is key to self-assembly.

Purpose of the Study:

  • To demonstrate a simple method for improving self-assembly in colloidal systems.
  • To utilize time-dependent interactions for enhanced structure formation.
  • To investigate the effects of bond strength modulation on assembly.

Main Methods:

  • Applying a method of time-dependent interactions to colloidal systems.
  • Using initially strong bonds to accelerate nucleation.
  • Transitioning to weaker bonds to promote growth of high-quality structures.
  • Tracking cluster growth during assembly.

Main Results:

  • Successful improvement of self-assembly in a model colloid undergoing crystallization.
  • Effective application to a schematic model of cluster growth.
  • Insight into the effects of multiple nucleation events.
  • Understanding competition between clusters of different properties.

Conclusions:

  • Time-dependent interactions offer a simple yet effective route to control colloidal self-assembly.
  • Modulating bond strength is crucial for accelerating nucleation and promoting high-quality growth.
  • The method provides valuable insights into complex assembly dynamics.