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Related Experiment Video

Updated: Jul 4, 2026

Synthesis and Characterization of Self-Assembled Metal-Organic Framework Monolayers Using Polymer-Coated Particles
06:48

Synthesis and Characterization of Self-Assembled Metal-Organic Framework Monolayers Using Polymer-Coated Particles

Published on: June 14, 2024

Ordered mesoporous materials from metal nanoparticle-block copolymer self-assembly.

Scott C Warren1, Lauren C Messina, Liane S Slaughter

  • 1Department of Materials Science and Engineering, Cornell University, Ithaca, NY 14853, USA.

Science (New York, N.Y.)
|June 28, 2008
PubMed
Summary

Researchers created novel ordered mesoporous platinum-carbon nanocomposites and platinum structures using block copolymers and platinum nanoparticles. These materials exhibit large pores and high electrical conductivity, overcoming synthesis challenges.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemistry

Background:

  • Synthesizing ordered mesoporous metals is difficult due to metals' high surface energies, which promote low surface areas.
  • Block copolymer self-assembly offers a potential route to create ordered nanostructures.

Purpose of the Study:

  • To develop a method for synthesizing ordered mesoporous platinum-carbon nanocomposites and ordered porous platinum.
  • To investigate the structural and electrical properties of these novel materials.

Main Methods:

  • Self-assembly of block copolymers with ligand-stabilized platinum nanoparticles.
  • Pyrolysis of hybrid mesostructures to form platinum-carbon nanocomposites.
  • Removal of carbon to yield ordered porous platinum.

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Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
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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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Using Polystyrene-block-poly(acrylic acid)-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization

Published on: July 9, 2015

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Last Updated: Jul 4, 2026

Synthesis and Characterization of Self-Assembled Metal-Organic Framework Monolayers Using Polymer-Coated Particles
06:48

Synthesis and Characterization of Self-Assembled Metal-Organic Framework Monolayers Using Polymer-Coated Particles

Published on: June 14, 2024

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
08:40

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules

Published on: April 28, 2014

Using Polystyrene-block-poly(acrylic acid)-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization
09:02

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

Published on: July 9, 2015

Main Results:

  • Formation of lamellar (CCM-Pt-4) and inverse hexagonal (CCM-Pt-6) hybrid mesostructures with high platinum nanoparticle loading.
  • Production of ordered mesoporous platinum-carbon nanocomposite with large, open pores (>=10 nm).
  • Achieved high electrical conductivity (400 S/cm) in the platinum-carbon nanocomposite.

Conclusions:

  • Block copolymer self-assembly is effective for creating ordered mesoporous platinum-based materials.
  • The synthesized platinum-carbon nanocomposite demonstrates excellent electrical conductivity for an ordered mesoporous material.
  • This work presents a viable pathway for fabricating advanced ordered mesoporous metals.