Screen printing of silver nanoparticle suspension for metal interconnects
- Authors
- Yin, W.; Lee, D.-H.; Choi, J.; Park, C.; Cho, S.M.
- Issue Date
- Nov-2008
- Publisher
- SPRINGER
- Keywords
- Conductive ink; PVP; Screen printing; Silver nanoparticle
- Citation
- Korean Journal of Chemical Engineering, v.25, no.6, pp 1358 - 1361
- Pages
- 4
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Korean Journal of Chemical Engineering
- Volume
- 25
- Number
- 6
- Start Page
- 1358
- End Page
- 1361
- URI
- https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/82349
- DOI
- 10.1007/s11814-008-0223-y
- ISSN
- 0256-1115
1975-7220
- Abstract
- Silver nanoparticle suspensions were synthesized by chemical reduction method using a formaldehyde reductant. Polyvinyl pyrrolidone (PVP) of two different molecular weights (M.W.=8,000 and 29,000) was used as a stabilizer for the suspensions. PVP of a smaller molecular weight could produce silver suspensions of nanoparticle size around 20 nm. Water-based conductive silver inks with different silver concentrations were prepared and tested for suitability for screen printing. We have successfully printed silver metal lines on glass substrates using a 400 mesh screen-mask with 60wt.% silver ink prepared in this study. Curing at a low temperature of 200 °C for an hour was found sufficient to reach the lowest resistivity value with the synthesized ink. For a line with a width and thickness of 0.5 mm and 2.12 μm, respectively, it exhibited a resistivity of 3.3×10-5 Ω•cm, which could serve as conducting lines for various electronic applications. © 2008 Springer.
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