Passivation of Plasmonic Colors on Bulk Silver by Atomic Layer Deposition of Aluminum Oxide

We report the passivation of angle-independent plasmonic colors on bulk silver by atomic layer deposition (ALD) of thin films of aluminum oxide. The colors are rendered by silver nanoparticles produced by laser ablation and redeposition on silver. We then apply a two-step approach to aluminum oxide...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 34(2018), 17 vom: 01. Mai, Seite 4998-5010
1. Verfasser: Guay, Jean-Michel (VerfasserIn)
Weitere Verfasser: Killaire, Graham, Gordon, Peter G, Barry, Sean T, Berini, Pierre, Weck, Arnaud
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a We report the passivation of angle-independent plasmonic colors on bulk silver by atomic layer deposition (ALD) of thin films of aluminum oxide. The colors are rendered by silver nanoparticles produced by laser ablation and redeposition on silver. We then apply a two-step approach to aluminum oxide conformal film formation via ALD. In the first step, a low-density film is deposited at low temperature to preserve and pin the silver nanoparticles. In the second step, a second denser film is deposited at a higher temperature to provide tarnish protection. This approach successfully protects the silver and plasmonic colors against tarnishing, humidity, and temperature, as demonstrated by aggressive exposure trials. The processing time associated with deposition of the conformal passivation layers meets industry requirements, and the approach is compatible with mass manufacturing 
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650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Killaire, Graham  |e verfasserin  |4 aut 
700 1 |a Gordon, Peter G  |e verfasserin  |4 aut 
700 1 |a Barry, Sean T  |e verfasserin  |4 aut 
700 1 |a Berini, Pierre  |e verfasserin  |4 aut 
700 1 |a Weck, Arnaud  |e verfasserin  |4 aut 
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