Effectiveness of Ligand Denticity-Dependent Oxidation Protection in Copper MOD Inks

The recent cost-driven transition from silver- to copper-based inks for printing on flexible substrates is connected with new key challenges. Given the high oxidation sensitivity of copper inks before, during, and after the curing process, the conductivity and thereby the device performance can be a...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 35(2019), 49 vom: 10. Dez., Seite 16101-16110
1. Verfasser: Marchal, W (VerfasserIn)
Weitere Verfasser: Mattelaer, F, Van Hecke, K, Briois, V, Longo, A, Reenaers, D, Elen, K, Detavernier, C, Deferme, W, Van Bael, M K, Hardy, A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a The recent cost-driven transition from silver- to copper-based inks for printing on flexible substrates is connected with new key challenges. Given the high oxidation sensitivity of copper inks before, during, and after the curing process, the conductivity and thereby the device performance can be affected. Strategies to limit or even avoid this drawback include the development of metal organic decomposition (MOD) inks with selected "protective" ligands. In this study, the influence of the ligand on the oxide formation during the ink decomposition process is described using a wide variety of in situ characterization techniques. It is demonstrated that bidentate ligands provide an improved oxidation barrier, although the copper preservation mechanism has its limits: oxygen can interfere in every reduction pathway depending on the curing duration and atmospheric conditions. The generated insights can be applied in the further evolution toward ambient-curable copper MOD inks 
650 4 |a Journal Article 
700 1 |a Mattelaer, F  |e verfasserin  |4 aut 
700 1 |a Van Hecke, K  |e verfasserin  |4 aut 
700 1 |a Briois, V  |e verfasserin  |4 aut 
700 1 |a Longo, A  |e verfasserin  |4 aut 
700 1 |a Reenaers, D  |e verfasserin  |4 aut 
700 1 |a Elen, K  |e verfasserin  |4 aut 
700 1 |a Detavernier, C  |e verfasserin  |4 aut 
700 1 |a Deferme, W  |e verfasserin  |4 aut 
700 1 |a Van Bael, M K  |e verfasserin  |4 aut 
700 1 |a Hardy, A  |e verfasserin  |4 aut 
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