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Updated: Jun 1, 2026

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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
Published on: May 28, 2016
Omnidirectional 3D nanoplasmonic optical antenna array via soft-matter transformation.
Benjamin M Ross1, Liz Y Wu, Luke P Lee
1Applied Science and Technology Graduate Group, Biomolecular Nanotechnology Center, University of California-Berkeley, Berkeley, California 94720, United States.
Nano Letters
|June 14, 2011
Summary
Active soft-matter polymers enable nanoscale metal-on-polymer architecture fabrication, creating ultradense nanoplasmonic antenna arrays with sub-10 nm gaps. This technique allows for arbitrary 3D geometries, including omnidirectional optical antennas.
Area of Science:
- Materials Science and Engineering
- Nanotechnology
- Soft Matter Physics
Background:
- Conventional lithography faces limitations in achieving nanoscale resolution for complex architectures.
- Morphogenesis in nature provides inspiration for self-assembly and pattern formation at the nanoscale.
- Active soft-matter systems offer unique capabilities for programmable material transformations.
Purpose of the Study:
- To demonstrate the fabrication of nanoscale metal-on-polymer architectures using active soft-matter.
- To achieve ultradense nanoplasmonic antenna arrays with sub-10 nm tip-to-tip nanogaps.
- To explore the independent manipulation of macroscale morphology into arbitrary 3D geometries.
Main Methods:
- Utilized active polymers to direct the self-assembly of nanoscale metal structures on polymer substrates.
- Employed advanced characterization techniques to analyze the fabricated nanoplasmonic antenna arrays.
- Demonstrated 3D morphological control by fabricating an omnidirectional nanoplasmonic optical antenna array.
Main Results:
- Successfully fabricated ultradense nanoplasmonic antenna arrays with precise sub-10 nm nanogaps.
- Achieved nanoscale patterning below the resolution limit of conventional lithography.
- Demonstrated the ability to create complex, arbitrary 3D nanoplasmonic architectures.
Conclusions:
- Active soft-matter provides a transformative approach for fabricating nanoscale metal-on-polymer architectures.
- The developed method enables the creation of high-performance nanoplasmonic devices with unprecedented density and geometric control.
- This work opens new avenues for advanced optical and electronic applications leveraging 3D nanostructures.

