Spontaneous Potential Oscillations in the Cu(II)/Tartrate and Lactate Systems, Aspects of Mechanisms and Film Deposition

  • Leopold S
  • Herranen M
  • Carlsson J
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Abstract

Spontaneous oscillations in the cathode potential are observed in the alkaline Cu?II?/tartrate and lactate systems when applying current to the electrochemical cell. In the Cu?II?/tartrate system the oscillations induce formation of composite films of Cu and Cu2O on the cathode with a grain size ranging from about 5 to 15 nm. The oscillation period is a function of pH and deposition temperature. A mechanism for the oscillating Cu?II?/tartrate and lactate systems is proposed based on pH changes close to the electrode surface during the deposition process

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Leopold, S., Herranen, M., & Carlsson, J.-O. (2001). Spontaneous Potential Oscillations in the Cu(II)/Tartrate and Lactate Systems, Aspects of Mechanisms and Film Deposition. Journal of The Electrochemical Society, 148(8), C513. https://doi.org/10.1149/1.1379949

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