The Large ETCH Cell
SKU: B-A-L_ETCH-PEEK
The Large ETCH Cell
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One of the most common applications of an electrochemical etching cell is the preparation of a Nanocrystalline Porous Silicon Layer on a single crystal Si wafer.
Application note
To perform an electrochemical process, a square conducting sample is placed on the cell base, using a piece of aluminum foil as a back contact. The setup is sealed by an O-ring to prevent electrolyte leakage. The cell is filled with an electrolyte, and the wire electrode is immersed in the solution as a counter electrode. An electric current is passed between the aluminum back contact and the wire electrode for a certain amount of time. After the process, the cell elements should be washed several times with ethanol and dried under the nitrogen flow.
Specification
Nominal exposure area: 8.6 cm2
Electrolyte volume: 15 mL
Minimum sample size: 38 mm x 38 mm
Maximum sample width: 45 mm
Product Includes
1 x cell base - 0055CPEMASM
1 x cell top - 0056CPEMASM
1 x set of screws - 0057PNYCM
Setup Includes
The Large ETCH Cell - Peek, PTFE
Spiral Wire Electrode - 50Sp17 0.6/191 mm, Platinum (99,9%)