TSC Surface

Product Description
A very versatile closed measuring cell intended for investigating dimensionally stable solid samples, like coated metal sheets, thin foils or gold on mica, in contact with a liquid electrolyte.
Both two and three electrode measurements can be performed by inserting a microreference electrode from the side.
This cell is airtight and thus shielded against atmosphere and can be used with moisture-sensitive samples.
Product Details
Article No.:
Gold-plated thermo block, PEEK housing, variable electrode material (e.g. glassy carbon)
Pt100 (in thermo block)
Lower Electrode:
User-selected substrate (flat, dimensionally stable); contactable from the top and/or bottom
Upper Electrode:
Glassy carbon (by default; other materials are available on demand), press-fitted into PEEK
Quick Downloads
Detailed Description

The measuring cell TSC Surface is based on a gold-plated thermo block with integrated Pt100 temperature sensor. The surface of the thermo block is plane and mirror-like polished. On top of this surface different kinds of plane samples can be placed for electrochemical characterization.

The loaded cell is hermetically sealed from the outside by a PEEK housing allowing the investigation of air- and/or moisture-sensitive samples.

  1. An o-ring at the bottom side of the housing (6 x 1.5 mm in size, made of FFKM by default; FKM and EPDM are also available on demand) is pressed onto the sample from above and thus limits the electrochemically active area.
  2. Four concentrically mounted (and exchangeable!) contact pins establish the electrical contact to the sample's surface. This enables the investigation of substrates with an only one-sided conductive coating (like for instance gold-plated mica sheets) as well as securing a proper sample contact. Thus, the sample can be contacted - depending on its nature - from below via the thermo block or from above via the contact pins.
  3. Two lateral inlets enable the usage of lithium based pseudo reference electrodes or capillary micro-reference electrodes. In addition, the inlets can be used for filling the cell with additional electrolyte using the capillary filling system.
  4. The housing serves as electrolyte reservoir. An amount of approx. 0.6 mL is required.

The cell is closed with a PEEK screw cap with exchangeable electrode. By default, the TSC surface is delivered with a mirror-like polished glassy carbon electrode press-fitted in PEEK (electrochemically active surface area: 6 mm). In principle, all materials which can be pressed into PEEK are available, like for instance stainless steel.

Technical Details
  • Sample dimensions:
    • Rectangular samples: minimum side length: 10 mm, maximum side length: 15 mm
    • Round samples: minimum diameter: 12 mm, maximum diameter: 20 mm
  • Sample requirements: planar substrate, surface with low roughness; ideally, the sample is dimensionally stable when being set under low pressure (applied by o-ring and contact pins)
  • Cell materials: gold- and nickel-plated copper (thermo block), PEEK (housing, cap, lateral screw plug, and screw fittings), glassy carbon (upper electrode), EPDM and FFKM (o-rings)
  • Integrated Pt100 temperature sensor (thermo block)
  • Temperature range (operation): -40 °C to +100 °C depending on sample amount and dew point
  • Temperature range (storage): +10 °C to +30 °C
Suitable other Products
The measuring cell TSC Surface is compatible with the following products:
For instance, the measuring cell TSC Surface has been used for the following applications:
  • Investigation of the structure and dynamics at the interface electrode / electrolyte (e.g. Au(111) on mica / FAP ionic liquid) by impedance spectroscopy using the 3-electrode setup
  • Study of the dynamics of electrochemical conversions, e.g. ferrocene / ferrocenium dissolved in ionic liquid on Au(111), using cyclic voltammetry and impedance spectroscopy
  • Investigation of the electrochemical characteristics of thin, ion conducting films on semiconductor materials
  • Corrosion studies
Please also visit the Literature section for a list of pulications.
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