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Hybrid semiconductor core-shell nanowires with tunable plasmonic nanoantennas
Tuncay Ozel1, Gilles R Bourret, Abrin L Schmucker
1Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL 60208, USA.
Advanced Materials (Deerfield Beach, Fla.)
|July 2, 2013
Summary
Novel multi-segmented nanowires with hybrid core-shell structures were created. These optically active nanowires generate substantial photocurrent when illuminated and can be dispersed in solutions.
Area of Science:
- Nanotechnology
- Materials Science
- Optoelectronics
Background:
- Metal nanoantennas enable precise light manipulation at the nanoscale.
- Core-shell nanostructures offer tunable optical and electronic properties.
- Photocurrent generation in nanostructures is crucial for optoelectronic devices.
Purpose of the Study:
- To fabricate multi-segmented nanowires with hybrid core-shell regions.
- To investigate the photocurrent generation capabilities of these nanowires under illumination.
- To assess the solution-dispersibility of the fabricated nanowires.
Main Methods:
- Fabrication of multi-segmented nanowires between two metal nanoantennas.
- Integration of optically active hybrid core-shell regions within the nanowires.
- Characterization of photocurrent generation upon optical illumination.
- Evaluation of solution-dispersibility properties.
Main Results:
- Successful fabrication of multi-segmented nanowires with hybrid core-shell structures.
- Demonstration of significant photocurrent generation by the nanowires under illumination.
- Confirmation of the solution-dispersible nature of the nanowires.
Conclusions:
- The developed multi-segmented nanowires exhibit promising optoelectronic properties.
- These nanowires are suitable for applications requiring light harvesting and charge generation.
- Solution-dispersibility facilitates integration into various device architectures.
