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Conductive Nanowires Templated by Molecular Brushes.
Ivan Raguzin1,2, Manfred Stamm1,2, Leonid Ionov1,3
1Leibniz Institute of Polymer Research e.V. Dresden , Hohe Str. 6, D-01069 Dresden, Germany.
ACS Applied Materials & Interfaces
|September 30, 2015
Summary
Researchers fabricated conductive metallic nanowires using polymer brushes as templates. These novel polymer-templated nanowires exhibit conductivity suitable for electronic applications.
Area of Science:
- Materials Science
- Polymer Chemistry
- Nanotechnology
Background:
- Polymer brushes offer unique templating capabilities for nanomaterial synthesis.
- Developing efficient methods for creating conductive nanowires is crucial for microelectronics.
Purpose of the Study:
- To fabricate conductive metallic nanowires using polymer bottle brushes as templates.
- To characterize the dimensions and electrical conductivity of the synthesized nanowires.
Main Methods:
- Synthesized poly(2-dimethylamino)ethyl methacrylate methyl iodide quaternary salt brushes via two-step atom transfer radical polymerization.
- Loaded polymer brushes with palladium salt and reduced to form metallic nanowires (average length 300 nm, width 20 nm).
- Fabricated an electric circuit by depositing nanowires between gold pads and sputtering additional pads.
Main Results:
- Successfully fabricated metallic nanowires using polymer bottle brush templates.
- Achieved an average nanowire conductivity of approximately 100 S·m⁻¹.
- Demonstrated the functionality of the nanowires within an electric circuit.
Conclusions:
- Polymer bottle brushes are effective templates for creating conductive metallic nanowires.
- The synthesized nanowires possess promising conductivity for potential electronic applications.
- This method provides a novel route for nanowire fabrication with controlled dimensions.
