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Concepts of metal-organic decomposition (MOD) silver inks for structured metallization by inkjet printing

Published online by Cambridge University Press:  07 June 2011

Claudia Schoner ,
Stephan F. Jahn ,
Alexander Jakob ,
Thomas Blaudeck ,
Heinrich Lang  and
Reinhard R. Baumann
Claudia Schoner
Affiliation:
Institute for Print and Media Technology, Digital Printing and Imaging, Chemnitz University of Technology, 09107 Chemnitz, Germany
Stephan F. Jahn
Affiliation:
Institute for Print and Media Technology, Digital Printing and Imaging, Chemnitz University of Technology, 09107 Chemnitz, Germany
Alexander Jakob
Affiliation:
Institute of Chemistry, Inorganic Chemistry, Chemnitz University of Technology, 09107 Chemnitz, Germany
Thomas Blaudeck
Affiliation:
Institute for Print and Media Technology, Digital Printing and Imaging, Chemnitz University of Technology, 09107 Chemnitz, Germany
Heinrich Lang
Affiliation:
Institute of Chemistry, Inorganic Chemistry, Chemnitz University of Technology, 09107 Chemnitz, Germany
Reinhard R. Baumann
Affiliation:
Institute for Print and Media Technology, Digital Printing and Imaging, Chemnitz University of Technology, 09107 Chemnitz, Germany
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Abstract

In this contribution, we report on the optimization of a metal-organic decomposition (MOD) ink based on silver(I) complexes by a systematic variation of the ink formulation. As a result, three different ink concepts turned out to be printable and resulting in a sufficiently high contour definition, layer homogeneity, and conductivity. The ink concepts include increase of the solid load, the usage of N-methyl-2-pyrrolidone (NMP) as a humectant with low vapor pressure, addition of co-solvents such as diethylene glycole and addition of sodium lauryl sulfate (SLS) as stabilizing ligand. It turns out that, for silver precursor concentrations of 40 wt%, the addition of 1 wt% SLS to aqueous inks leads to elevated conductivity up to 3.2x107 Sm-1 at maintained printability and an improved contour definition with respect to pure aqueous inks.

Keywords

additivesink-jet printingmetallic conductor
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1285: Symposium D – Challenges in Roll-to-Roll (R2R) Fabrication for Electronics and Other Functionalities , 2011 , mrsf10-1285-d03-09-f06-09-g07-09
Copyright
Copyright © Materials Research Society 2011

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References

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