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Silver Deposition on Alumina Membranes

Silver Deposition on Alumina Membranes. Electropolishing. Before anodization the aluminum piece must be electropolished to remove any rigidness from the surface. Anodization. Anodization. Lateral Anodization. Electro-deposition . Electroless(Chemical) Deposition. Silver Deposition.

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Silver Deposition on Alumina Membranes

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  1. Silver Deposition on Alumina Membranes

  2. Electropolishing • Before anodization the aluminum piece must be electropolished to remove any rigidness from the surface

  3. Anodization Anodization • Lateral Anodization

  4. Electro-deposition Electroless(Chemical) Deposition Silver Deposition

  5. Silver Deposition • First placed in an initiator solution of tin (II) chloride, trifluoroacetic acid, water, and methanol • Then in silver plating solution of silver nitrate, cobalt sulfate, ammonium sulfate, and ammonia liquor

  6. Chemical Etching • Chemical Etching was performed by swabbing 2g Iron (III) Chloride on the membrane after the deposition process’

  7. Results • You can see the silver particles in the nanopores

  8. Gaming and Chemistry • Can a student learn by playing a first person shooter game? • http://edufrag.blogspot.com • http://edufrag.wikispaces.com

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