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1D copper nanowires for flexible printable electronics and high ampacity wires
Atif Aziz1, Tan Zhang, Yen-Hao Lin
1Nanoscience Centre, Department of Engineering, University of Cambridge, CB3 0FF, UK. aa267@cam.ac.uk.
Nanoscale
|August 30, 2017
Summary
Researchers synthesized copper nanowires (CuNWs) using bromide ions, enhancing their electrical properties. These CuNWs exhibit high ampacity, making them ideal for advanced electronics.
Area of Science:
- Materials Science
- Nanotechnology
- Electrical Engineering
Background:
- Copper nanowires (CuNWs) are promising for electronics.
- Controlling CuNW synthesis is key to improving properties.
- Existing fabrication methods can be complex.
Purpose of the Study:
- To synthesize one-dimensional CuNWs using a novel co-capping agent.
- To analyze the electrical properties of individual CuNWs.
- To develop a fabrication method for electrical analysis without e-beam lithography.
Main Methods:
- Chemical synthesis of CuNWs utilizing bromide ions (Br-) as a co-capping agent.
- Partial replacement of alkyl amines with Br- to control isotropic growth.
- Fabrication of a method for individual CuNW electrical property analysis, avoiding e-beam lithography.
Main Results:
- Successfully synthesized high-quality CuNWs.
- Achieved an ampacity of approximately 30 million amps/cm² for individual CuNWs.
- Demonstrated ampacity over ten times greater than bulk copper.
Conclusions:
- The developed synthesis method yields high-quality CuNWs.
- CuNWs exhibit significantly enhanced ampacity compared to bulk copper.
- These CuNWs are suitable for high ampacity wires and flexible printable electronics.
