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UV-Cured Inkjet-Printed Silver Gate Electrode with Low Electrical Resistivity
Honglong Ning1, Yicong Zhou1, Zhiqiang Fang1
1Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, People's Republic of China.
Nanoscale Research Letters
|September 27, 2017
Summary
Researchers developed a low-resistivity inkjet-printed silver electrode using UV curing. This easy, low-temperature method achieved excellent electrical properties and adhesion for silver films.
Area of Science:
- Materials Science
- Electrical Engineering
- Nanotechnology
Background:
- Inkjet printing offers a versatile method for fabricating electronic components.
- Developing low-resistivity conductive inks is crucial for advanced electronics.
- UV curing presents a rapid and energy-efficient post-processing technique.
Purpose of the Study:
- To fabricate inkjet-printed silver electrodes with low electrical resistivity.
- To investigate the impact of UV curing parameters on silver film properties.
- To establish an efficient and low-temperature fabrication process.
Main Methods:
- Inkjet printing of silver-based ink onto glass substrates.
- Optimization of UV curing time and distance from the UV lamp.
- Characterization of electrical resistivity and adhesion strength of the silver films.
Main Results:
- Achieved a lowest electrical resistivity of 6.69 × 10-8 Ω·m for the silver films.
- Demonstrated good adhesion of the UV-cured silver films to glass substrates (4B ASTM standard).
- Identified optimal UV curing conditions for minimizing electrical resistivity.
Conclusions:
- UV curing is an effective method for fabricating high-performance inkjet-printed silver electrodes.
- The developed process provides an easy, low-temperature approach for producing conductive silver films.
- The resulting silver electrodes exhibit promising properties for various electronic applications.
