Novel Terpineol-Based Silver Nanoparticle Ink with High Stability for Inkjet Printing

Area of Science:

• Materials Science
• Nanotechnology
• Sustainable Manufacturing

Background:

• Inkjet printing offers a scalable method for fabricating electronic components.
• Developing stable, high-conductivity silver nanoparticle inks is crucial for advanced printed electronics.
• Traditional solvents and stabilizers can pose environmental and performance challenges.

Purpose of the Study:

• To formulate a novel silver nanoparticle ink for inkjet printing.
• To utilize eco-friendly solvents and stabilizers for enhanced ink properties.
• To achieve high conductivity and stability in printed silver patterns.

Main Methods:

• Silver nanoparticles (<10 nm) synthesized via a modified one-pot method with oleic acid and oleylamine.
• Nanoparticles dispersed in terpineol (eco-friendly solvent) and butylamine (stabilizer).
• Ink rheological properties and jetting performance evaluated for inkjet compatibility.

Main Results:

• Ink demonstrated exceptional stability over 85 days with optimal rheological properties.
• Perfect jetting performance achieved, enabling precise pattern fabrication.
• Printed silver conductive patterns reached 81% of bulk silver conductivity.

Conclusions:

• The novel silver nanoparticle ink formulation is suitable for inkjet printing applications.
• The ink combines environmental benefits with high electrical conductivity and stability.
• This technology holds promise for scalable and sustainable printed electronics manufacturing.