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The Characteristic Variations of Inkjet-Printed Silver Nanoparticle Ink During Furnace Sintering

Title
The Characteristic Variations of Inkjet-Printed Silver Nanoparticle Ink During Furnace Sintering
Author
문승재
Keywords
Furnace Sintering; Silver Nanoparticles; Specific Resistance; Inkjet Printing
Issue Date
2013-09
Publisher
American Scientific Publishers
Citation
Journal of Nanoscience and Nanotechnology, 2013, 13(9), P.6145-6149
Abstract
In this work, an experiment on furnace thermal sintering with printed silver (Ag) nanoparticle ink was carried out. The Ag nanoparticle ink employed in this study has a particle size of around 50 nm and particles constitute 34 wt% of the ink. The Ag nanoparticle ink was printed by inkjet printing. A thermal sintering process in a furnace was conducted at temperatures of 150, 200, and 250 °C for 20 to 3000 seconds. After sintering, electrical conductivities and cross-sectional images were measured. The specific resistance and the cross-sectional area of the sintered ink decrease as the sintering temperature increases. The SEM images indicate that surface premelting caused sintering below the melting temperature of silver, 960 °C, which increased neck growth and lowered the electrical resistance. Lastly, the minimum specific resistance of 7.08 μΩ·cm was obtained after sintering for 3000 s at 250 °C. This specific resistance value was 4.4 times larger than that of bulk silver.
URI
http://www.ingentaconnect.com/content/asp/jnn/2013/00000013/00000009/art00036
ISSN
1533-4880
DOI
10.1166/jnn.2013.7662
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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