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Octadecanethiol self-assembling monolayers have been reported to protect silver against tarnish in typical environments.
We have undertaken a study to investigate whether such coatings have potential use for silver-based mirror coatings for
astronomy, particularly in instruments where mirror coatings would be protected from dirt and potential mechanical
damage. We find that simple treatment of bare silver with octadecanethiol does significantly reduce the rate of tarnish
while preserving silver’s excellent reflectivity. We describe the simple process of application, how the coatings are
evaluated, and directions for further investigations.
Andrew C. Phillips andAndrew Cowley
"Octadecanthiol for tarnish-resistant silver coatings", Proc. SPIE 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II, 84503W (13 September 2012); https://doi.org/10.1117/12.925505
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Andrew C. Phillips, Andrew Cowley, "Octadecanthiol for tarnish-resistant silver coatings," Proc. SPIE 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II, 84503W (13 September 2012); https://doi.org/10.1117/12.925505