Does anyone know the recipe for etching the silver in AAO template?

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Zhen Qi

why not try electrochemical way to remove Ag? since Ag can be dissolved in 0.1M HClO4 or HNO3 solution, a certain potential above its dissolution potential is able to remove Ag.

Mohamed Boufnichel

Dear Ahmad...youwill find some interesting data in the following article dealing with Ag etching in diluted HN03 in water (1 : 10)

Regards/Mohamed

Alexander B. Shcherbakov

I think it's reasonable to try weak hydrogen peroxide. It's "soft etcher" for metallic silver and indifferent to hydrated aluminia (unlike acids/alkalis).