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Related Experiment Video

Updated: Jun 10, 2026

Synthesis of Monodisperse Cylindrical Nanoparticles via Crystallization-driven Self-assembly of Biodegradable Block Copolymers
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Synthesis of Monodisperse Cylindrical Nanoparticles via Crystallization-driven Self-assembly of Biodegradable Block Copolymers

Published on: June 20, 2019

Ordered nanostructures self-assembled from block copolymer tethered nanoparticles.

Xiaomeng Zhu1, Liquan Wang, Jiaping Lin

  • 1Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China.

ACS Nano
|August 21, 2010
PubMed
Summary

We studied how AB diblock copolymer molecules with tethered particles self-assemble. Neutral particles formed typical structures, while unfavorable particles created complex hierarchical structures influenced by block fraction and particle size.

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Area of Science:

  • Polymer Science
  • Materials Science
  • Computational Chemistry

Background:

  • Self-assembly of block copolymers is crucial for creating nanostructured materials.
  • Tethering particles to block copolymers introduces new possibilities for controlling morphology.
  • Understanding particle-polymer interactions is key to designing advanced materials.

Purpose of the Study:

  • Investigate the self-assembly behavior of AB diblock copolymer molecules with a single tethered spherical particle (ABP molecules).
  • Explore the influence of particle-polymer interactions (neutral vs. unfavorable) on self-assembly.
  • Determine the key parameters governing the formation of ordered and hierarchical structures.

Main Methods:

  • Combined self-consistent field theory (SCFT) and density functional theory (DFT) for computational modeling.

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Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
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Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules

Published on: April 28, 2014

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Last Updated: Jun 10, 2026

Synthesis of Monodisperse Cylindrical Nanoparticles via Crystallization-driven Self-assembly of Biodegradable Block Copolymers
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Synthesis of Monodisperse Cylindrical Nanoparticles via Crystallization-driven Self-assembly of Biodegradable Block Copolymers

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Using Polystyrene-block-poly(acrylic acid)-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization

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  • Simulated ABP molecules with varying particle-polymer affinities and sizes.
  • Constructed phase diagrams based on simulation results.

    • Main Results:

    • For neutral particles, ABP molecules formed typical equilibrium microstructures (lamellae, cylinders) with particles localized in B block domains.
    • Particle size influenced the phase behavior of neutral systems.
    • Unfavorable particles induced microphase separation, leading to distinct ordered structures.
    • Observed hierarchical structures like cylinders within cylinders and lamellae with cylinders at interfaces.
    • Phase behavior was primarily governed by A block fraction and particle size.

    Conclusions:

    • The interaction of tethered particles with polymer blocks significantly dictates self-assembly outcomes.
    • Hierarchical structures emerge in systems with unfavorable particle-polymer interactions.
    • A block fraction and particle size are critical parameters for controlling ABP molecule self-assembly and designing novel nanostructures.