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Updated: Jul 6, 2025
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Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles
Published on: May 8, 2015
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Three-dimensional nanoscale metal, metal oxide, and semiconductor frameworks through DNA-programmable assembly and
Aaron Michelson1,2, Ashwanth Subramanian3, Kim Kisslinger1
1Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973, USA.
Science Advances
|January 10, 2024
Summary
Researchers developed a new method using DNA assembly to create 3D nanoarchitectures of inorganic materials. This DNA-programmable assembly allows for precise control over the structure of metals, oxides, and semiconductors for advanced applications.
Area of Science:
- Materials Science
- Nanotechnology
- Biotechnology
Background:
- Controlling 3D nanoarchitecture is key for novel material properties.
- DNA assembly offers precise nanoscale patterning capabilities.
Purpose of the Study:
- To establish a general DNA-programmable assembly approach for designed 3D ordered inorganic frameworks.
- To demonstrate nanofabrication of diverse inorganic materials using this method.
Main Methods:
- Exploiting DNA-programmable assembly for framework design.
- Inorganic templating of DNA frameworks via liquid- and vapor-phase infiltration.
- Structural and spectroscopic characterization of fabricated frameworks.
Main Results:
- Successful nanofabrication of diverse 3D inorganic frameworks (metals, oxides, semiconductors, composites).
- Demonstrated control over nanoscale features (nanometers) dictated by DNA frames.
- Revealed composition, organization, and optoelectronic properties of inorganic frameworks.
Conclusions:
- The DNA-programmable assembly provides a general route to designed 3D inorganic nanostructures.
- This technique enables the creation of complex inorganic materials with tunable properties.
- Paves the way for 3D nanoscale lithography and advanced material design.
