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Electroactive coating of stimulating electrodes

A new coating, electrolytically deposited electroactive iridium oxide, has been developed to decrease the interface's impedance. The decrease of impedance is demonstrated by impedance spectroscopy: the low-frequency limit is lowered by more than three orders of magnitude to a value of 0.4Hz. Th...

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Bibliographic Details
Published in:Journal of materials science. Materials in medicine 1996-07, Vol.7 (7), p.393-397
Main Authors: Fr hlich, R., Rpzany, A., Riedm ller, J., Bolz, A., Schaldach, M.
Format: Article
Language:English
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Summary:A new coating, electrolytically deposited electroactive iridium oxide, has been developed to decrease the interface's impedance. The decrease of impedance is demonstrated by impedance spectroscopy: the low-frequency limit is lowered by more than three orders of magnitude to a value of 0.4Hz. This is due to the electroactivity of the material which is caused by reversible proton incorporation into the coating. Due to the low interface impedance well below 1 Hz, the coated electrodes fulfill the requirements for medical applications. Outstanding sensing behavior is also shown.
ISSN:0957-4530
1573-4838
DOI:10.1007/BF00122006