Bojun, Xu

Derby, Brian

Stringer, Jonathan

The use of ink jet printing to produce metallized patterns on temperature-sensitive substrates is attractive for applications such as printed electronics and MEMS. Silver (in either suspension or solution) is a widely investigated material for such inks due to high conductivity when compared to alternatives such as conductive polymers. The use of silver nanoparticle suspensions enables processing temperatures as low as 150 °C, with conductivity approaching that of the bulk material. Work presented within demonstrates the use of a silver organometallic salt dissolved in xylene that can be printed readily and undergoes photolysis to elemental silver when exposed to a 514 nm laser. Conductive tracks produced by this method are characterized to demonstrate their use for metallization at near room temperature with a feature resolution below 10 μm

Characterization of photo-reduced silver organometallic salt deposited by inkjet printing

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