Note: Characterization of electrode materials for dielectric spectroscopy.

  title={Note: Characterization of electrode materials for dielectric spectroscopy.},
  author={Daniele Malleo and J. Tanner Nevill and Andr{\'e} van Ooyen and Uwe Schnakenberg and Luke P. Lee and Hywel Morgan},
  journal={The Review of scientific instruments},
  volume={81 1},
When measuring the dielectric properties of aqueous samples, the impedance of the electrode/sample interface can limit low frequency measurements. The electrode polarization problem can be reduced by increasing the effective surface area of the electrodes. In this work, impedance spectroscopy was used to characterize and compare three different electrode surfaces that can be used to mitigate this effect: platinum black, iridium oxide, and [polypyrrole/poly(styrenesulphonate)] (PPy/PSS… CONTINUE READING

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