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Low Curing Temperature Silver Tracks from Soluble Inks

Published online by Cambridge University Press:  31 January 2011

Bojun Xu ,
Jonathan Stringer ,
Andrew Wallwork  and
Brian Derby
Bojun Xu
Affiliation:
bojunxu.uk@gmail.com, University of Manchester, School of Materials, Materials Science Centre, Grosvenor Street, Manchester, M1 7HS, United Kingdom
Jonathan Stringer
Affiliation:
jonathan.stringer@manchester.ac.uk, University of Manchester, School of Materials, Manchester, United Kingdom
Andrew Wallwork
Affiliation:
andrew.wallwork@manchester.ac.uk, University of Manchester, School of Materials, Manchester, United Kingdom
Brian Derby
Affiliation:
brian.derby@manchester.ac.uk, University of Manchester, School of Materials, Manchester, United Kingdom
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Abstract

Silver neodecanoate is sensitive to both ultra violet light (UV) and heat, and is a good inkjet printing precursor when dissolved in xylene. We have studied the electrical properties of inkjet printed silver samples, derived from silver neodecanoate ink, and investigated the influence of UV treatment before thermal curing the silver samples. In addition we have studied the influence of thermal pre-treatment on the printed samples. Thermally cured printed tracks and pads show minimum resistivity of approximately 3 x bulk silver. Their microstructure shows that the silver salt has converted to an interconnected network of silver nanoparticles after curing. The resistance of the printed tracks are shown to relate to the connectivity of the resulting sintered nanoparticle network as measured by the ratio of the sintered neck diameter to the original particle diameter.

Keywords

ink-jet printingAgnanoscale
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1192: Symposium PP – Materials and Devices for Flexible and Stretchable Electronics , 2009 , 1192-PP14-05
Copyright
Copyright © Materials Research Society 2009

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References

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