Related Experiment Video
Updated: Feb 18, 2026
09:14
Flow-assisted Dielectrophoresis: A Low Cost Method for the Fabrication of High Performance Solution-processable Nanowire Devices
Published on: December 7, 2017
8.3K
Dielectrophoresis-based multi-step nanowire assembly on a flexible superstrate
Xin Wang1, Ke Chen1, Linbo Liu1
1School of Mechanical Engineering, and Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University, Nanjing 211189, People's Republic of China.
Nanotechnology
|November 14, 2017
Summary
This study introduces a reusable, low-cost method for assembling silver nanowires using dielectrophoresis (DEP) on flexible films. This facile approach enables precise fabrication of nanowire networks for flexible electronics.
Area of Science:
- Materials Science
- Nanotechnology
- Electrical Engineering
Background:
- Dielectrophoresis (DEP) is a key technique for nanowire assembly in device fabrication.
- Existing DEP methods for nanowire assembly can be complex and costly.
- There is a need for more accessible and affordable DEP assembly techniques.
Purpose of the Study:
- To develop a facile and affordable dielectrophoresis (DEP) approach for nanowire assembly.
- To utilize reusable electrodes and a removable polyethylene terephthalate (PET) film for nanowire fabrication.
- To demonstrate the assembly of silver nanowire arrays and networks on flexible substrates.
Main Methods:
- Utilized reusable electrodes and a removable PET film for dielectrophoresis (DEP) based nanowire assembly.
- Applied sinusoidal AC voltage to electrodes to induce DEP forces for assembling silver nanowires.
- Investigated the impact of voltage, frequency, and film thickness on nanowire assembly.
- Rotated the induced electric field to create mesh-like nanowire networks.
Main Results:
- Successfully assembled silver nanowires onto a flexible PET film using reusable electrodes.
- Demonstrated the formation of silver nanowire arrays by controlling DEP parameters.
- Achieved the fabrication of rectangular mesh-like nanowire networks through electric field rotation.
- The developed approach proved to be reusable, facile, low-cost, precise, rapid, and convenient.
Conclusions:
- The presented reusable DEP approach offers a cost-effective and efficient method for fabricating nanowire-based devices.
- This technique is suitable for precise and rapid assembly of nanowire structures on flexible substrates.
- The method holds significant potential for applications in the field of flexible electronics.
