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Updated: May 8, 2026

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Topotactic interconversion of nanoparticle superlattices.

Robert J Macfarlane1, Matthew R Jones, Byeongdu Lee

  • 1Department of Chemistry, 2145 Sheridan Road, Evanston, IL 60208, USA.

Science (New York, N.Y.)
|August 24, 2013
PubMed
Summary
This summary is machine-generated.

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Researchers created complex nanoparticle superlattices using DNA linkers and a novel intercalation method. This reversible process allows for the precise assembly of designer 3D materials with predictable structures.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Supramolecular Chemistry

Background:

  • Directed assembly of nanoparticle building blocks offers a route to designer 3D materials.
  • Current methods are limited in creating complex superlattice structures beyond simple binary systems.

Purpose of the Study:

  • To develop a general method for synthesizing highly ordered ternary nanoparticle superlattices with predictable structures.
  • To demonstrate the reversibility of the nanoparticle assembly process.

Main Methods:

  • Utilized DNA linkers for the directed assembly of nanoparticle building blocks.
  • Employed topotactic intercalation to insert a third nanoparticle component into preformed binary lattices.
  • Synthesized five distinct ternary crystals, three with no known atomic or molecular analogues.

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A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
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Synthesis of Immunotargeted Magneto-plasmonic Nanoclusters
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Synthesis of Immunotargeted Magneto-plasmonic Nanoclusters

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Last Updated: May 8, 2026

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08:39

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Published on: October 16, 2017

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
08:09

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

Synthesis of Immunotargeted Magneto-plasmonic Nanoclusters
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Main Results:

  • Successfully synthesized highly ordered ternary nanoparticle superlattices with unprecedented complexity.
  • Demonstrated that the intercalation process is completely reversible upon temperature change.
  • Recovered the ternary superlattice structure after expelling and re-intercalating nanoparticles.

Conclusions:

  • Topotactic intercalation provides a general and predictable approach for assembling complex ternary nanoparticle superlattices.
  • The reversibility of the process allows for dynamic control over material structure.
  • This methodology opens new avenues for designing sophisticated 3D nanomaterials.