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Three-Dimensional Writing of Highly Stretchable Organic Nanowires
Ji Tae Kim1, Jaeyeon Pyo1, Jonghyun Rho2
1X-ray Imaging Center, Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 790-784, Korea.
ACS Macro Letters
|May 17, 2022
Summary
Researchers developed accurate 3D writing for highly stretchable organic nanowire arrays, achieving over 270% stretchability without electrical compromise. This breakthrough enables new classes of stretchable nanodevices.
Area of Science:
- Materials Science
- Nanotechnology
- Organic Electronics
Background:
- Three-dimensional (3D) writing is crucial for developing stretchable electronics.
- Current 3D writing techniques are limited to microscale features.
- Organic materials offer potential for flexible and stretchable electronic applications.
Purpose of the Study:
- To develop accurate 3D writing for highly stretchable organic nanowire arrays.
- To achieve unprecedented stretchability in 3D organic nanostructures.
- To demonstrate the integration of these structures into functional electronic devices.
Main Methods:
- Utilized a nanoscale polymer meniscus for precise 3D writing.
- Fabricated 3D nanoarches using poly(3,4-ethylenedioxythiophene)/poly(styrenesulfonate).
- Characterized the stretchability and electrical properties of the fabricated nanoarches.
Main Results:
- Achieved over 270% stretchability in 3D organic nanowire nanoarches.
- Maintained excellent electrical characteristics after significant stretching.
- Successfully integrated the nanoarches into photoswitches, electrochemical transistors, and electrical interconnects.
Conclusions:
- The developed 3D writing technique enables highly stretchable organic nanowire arrays.
- This advancement overcomes previous limitations in feature size for 3D writing.
- Opens new avenues for designing and fabricating next-generation stretchable nanodevices using organic materials.
