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Nanoscale Electrodes for Flexible Electronics by Swelling Controlled Cracking
Qiang Zhao1, Wenjun Wang1, Jinyou Shao1
1Micro-/Nano-technology Research Center, State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, 28 West Xianning Road, Xi'an, Shaanxi, 710049, P. R. China.
Advanced Materials (Deerfield Beach, Fla.)
|May 21, 2016
Summary
Researchers developed a novel swelling-controlled cracking method to fabricate nanogap electrodes on flexible substrates. This technique enables the creation of high-performance flexible electronics, including UV photodetectors with enhanced efficiency.
Area of Science:
- Materials Science
- Nanotechnology
- Electronics Engineering
Background:
- Fabricating nanoscale electrodes on flexible materials is crucial for advanced electronics.
- Existing methods often face challenges in scalability and performance on flexible substrates.
Purpose of the Study:
- To develop a scalable method for fabricating nanogap electrodes on flexible substrates.
- To demonstrate the performance of these nanogap electrodes in UV photodetectors.
Main Methods:
- Utilized pre-patterned electrodes combined with a swelling-controlled cracking technique.
- Fabricated nanogap electrodes in parallel on flexible substrates.
- Integrated Zinc Oxide (ZnO) nanoparticles to bridge the nanogaps.
Main Results:
- Successfully realized parallel fabrication of nanogap electrodes on flexible substrates.
- Achieved high responsivity and external quantum efficiency in UV photodetectors.
- Demonstrated the potential of the swelling-controlled cracking method for high-performance flexible electronics.
Conclusions:
- The swelling-controlled cracking method is a promising approach for manufacturing high-performance flexible electronics.
- This technique offers a scalable solution for nanogap electrode fabrication.
- The developed UV photodetectors show excellent performance characteristics.

