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Updated: Apr 27, 2026

Fabricating Metamaterials Using the Fiber Drawing Method

Fabricating Metamaterials Using the Fiber Drawing Method

Published on: October 18, 2012

Reconfigurable 3D plasmonic metamolecules.

Anton Kuzyk¹, Robert Schreiber², Hui Zhang³

¹Max Planck Institute for Intelligent Systems, Heisenbergstrasse 3, D-70569 Stuttgart, Germany.

Nature Materials

|July 7, 2014

Summary

This summary is machine-generated.

Researchers developed reconfigurable 3D plasmonic metamolecules using DNA. These nanoscale structures change shape, acting as optical reporters by altering circular dichroism signals.

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Last Updated: Apr 27, 2026

Fabricating Metamaterials Using the Fiber Drawing Method

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Published on: October 18, 2012

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Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates

Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates

Published on: March 5, 2019

Area of Science:

Nanotechnology and Nanoscience
Materials Science
Biotechnology

Background:

Active plasmonic nanosystems integrate plasmonic nanostructures with active materials (e.g., graphene, liquid crystals) for tunable optical responses.
Current top-down fabrication methods often limit plasmonic nanostructures to 2D substrates, restricting their optical performance to specific directions.
Bottom-up approaches offer a promising alternative for creating functional and reconfigurable nanoscale systems.

Purpose of the Study:

To create reconfigurable three-dimensional (3D) plasmonic metamolecules using DNA nanotechnology.
To demonstrate DNA's dual role as a structural organizer and a fuel for nanoscale conformational changes.
To utilize these 3D plasmonic metamolecules as in situ optical reporters for conformational changes.

Main Methods:

Utilized DNA as a versatile building block for the high-fidelity assembly of complex 3D architectures.
Employed DNA to organize plasmonic nanoparticles in three dimensions, forming metamolecules.
Leveraged DNA's properties to drive conformational changes within the metamolecules.

Main Results:

Successfully created reconfigurable 3D plasmonic metamolecules with DNA-regulated nanoscale conformational changes.
Demonstrated that DNA acts as both a structural component and a dynamic fuel for these metamolecules.
Showcased the metamolecules' ability to function as optical reporters, transducing conformational states into circular dichroism (CD) changes in the visible spectrum.

Conclusions:

DNA nanotechnology provides a robust bottom-up strategy for fabricating reconfigurable 3D plasmonic metamolecules.
These DNA-driven metamolecules offer dynamic control over nanoscale structures and their optical properties.
The developed system serves as a sensitive optical reporter for nanoscale conformational dynamics.