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An Approach to a Silver Conductive Ink for Inkjet Printer Technology
Svetlana N Kholuiskaya1, Valentina Siracusa2, Gulnaz M Mukhametova1
1N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Science (RAS), 4 Kosygina St., 119991 Moscow, Russia.
Polymers
|June 27, 2024
Summary
Researchers developed a novel silver-based ink for inkjet printing, enabling cost-effective production of conductive films for flexible electronics. Optimized two-stage sintering achieved low surface resistance, demonstrating potential for advanced electronic device manufacturing.
Area of Science:
- Materials Science
- Nanotechnology
- Electrical Engineering
Background:
- Silver-based metal-organic decomposition inks offer simple preparation, stability, and low sintering temperatures.
- Inkjet printing with these inks presents a cost-effective and eco-friendly method for producing electrical devices, particularly flexible electronics.
Purpose of the Study:
- To develop a silver salt-based reactive ink suitable for inkjet printing.
- To investigate the properties of conductive lines produced using this ink and a two-stage sintering process.
Main Methods:
- Formulation of a silver salt-based reactive ink.
- Inkjet printing of test images onto polyimide substrates.
- Two-stage thermal sintering at 60 °C and 100-180 °C.
- Characterization of the structure and electrical properties of the resulting conductive lines.
Main Results:
- Successful formation of electrically conductive silver lines via inkjet printing.
- Optimized conditions yielded a conductive film with a low surface resistance of approximately 3 Ω/square.
- Demonstrated feasibility of producing conductive patterns on flexible substrates.
Conclusions:
- The developed silver-based reactive ink is suitable for inkjet printing applications.
- Two-stage thermal sintering is effective in forming high-quality conductive films.
- This technology holds promise for the cost-effective and environmentally friendly manufacturing of flexible electronic devices.
