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Van der Pauw BMM EC, 15 mL, 8x8 mm2- Van der Pauw Bottom Magnetic Moun– MSE Supplies LLC

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Van der Pauw BMM EC, 15 mL, 8x8 mm2- Van der Pauw Bottom Magnetic Mount Electrochemical Cell

SKU: BMM EC 15mL-1

  • $ 2,08895
  • Save $ 25100



This is a stationary solution voltammetry cell designed to measure changes in specific resistivity of thin film material induced by the injection/extraction of ions from/to an electrolyte. The process is controlled through the application of voltage to the counter electrode immersed in liquid or gel electrolyte. The sample is loaded from the bottom via magnetic mount, while counter or/and reference electrodes are mounted in a top casing (either 2-, or 3-electrode setup). The cell elements are constructed with materials that are inert to the sample (glass and PEEK). It well fits aqueous (EPDM/FKM O-Rings) and organic solvent (FFKM O-Rings) electrolyte requirements. The construction is gas-tight and can be used when the removal and exclusion of contaminants such as oxygen and water is required by bubbling of an inert gas through the electrolyte.

Application note
The specific resistivity of arbitrary shape sample can be measured if the following condition are met: the contacts are at the circumference of the sample, the contacts are sufficiently small, the sample is uniformly thick, and the surface of the sample do not contain any isolated holes. The reference electrode tip should be placed close to the bottom of the chamber (3-5 mm), where the working electrode is exposed to the electrolyte. This will ensure a negligible potential drop throughout the electrolyte solution for low-current experiment. Various auxiliary electrodes are suitable for this cell including metal wire and metal foil electrodes as well as graphite rod. The bubbling of gas through the solution must be stopped prior to experiment. 

Specification
nominal exposure area: 0.2 cm2 (other values available on request)
minimum electrolyte volume: 2.5 mL
maximum electrolyte volume: 15 mL
electrode plug diameter: 6 mm
substrate size: 8 mm x 8 mm (other values available on request)
maximum substrate thickness: 3 mm

Product includes
1 x lid – 0001CPEMA
1 x glass chamber – 0002PGLMA
1 x bottom casing
1 x sample mount
1 x plug – 0005CPEMA

Examples of contact pads and sample material layouts for mask/screen/pattern design available on request ( .pdf, .svg, .ai, etc… )