Electrodeposition of copper by pulsating overpotential (PO) regime in the hydrogen co-deposition range was examined by the determination of the average current efficiency of hydrogen evolution and by microscopic analysis of the morphology of the formed deposits. The techniques of scanning electron microscopy (SEM) and optical microscopy were used for the structural analysis of the copper deposits. Honeycomb-like electrodes were formed with an amplitude overpotential of 1000 mV, a pause of 10 ms, and deposition pulses of 3, 5, 10 and 20 ms. Holes formed by attached hydrogen bubbles were surrounded by dendrites (for deposition pulses of 3 and 5 ms) or agglomerates of copper grains (for 10 and 20 ms). In an interval of deposition pulses between 3 and 10 ms, the length of deposition pulse did not affect the size, number and depth of holes. The change of morphology of copper formed around holes was discussed by the effect of quantity of evolved hydrogen on effectiveness of stirring of solut...ion in the near-electrode layer. The application of square-wave PO with the shorter deposition pulses enabled energy savings in the production of such copper electrodes. For example, the applied deposition pulse of 3 ms enabled energy saving of about 15% in relation to the copper electrode obtained with a deposition pulse of 10 ms (for the unchanged number, size and depth of holes).
TY - JOUR
AU - Nikolić, Nebojša D.
AU - Branković, Goran
AU - Maksimović, Vesna M.
AU - Pavlović, Miomir
AU - Popov, Konstantin I.
PY - 2009
UR - https://cer.ihtm.bg.ac.rs/handle/123456789/515
AB - Electrodeposition of copper by pulsating overpotential (PO) regime in the hydrogen co-deposition range was examined by the determination of the average current efficiency of hydrogen evolution and by microscopic analysis of the morphology of the formed deposits. The techniques of scanning electron microscopy (SEM) and optical microscopy were used for the structural analysis of the copper deposits. Honeycomb-like electrodes were formed with an amplitude overpotential of 1000 mV, a pause of 10 ms, and deposition pulses of 3, 5, 10 and 20 ms. Holes formed by attached hydrogen bubbles were surrounded by dendrites (for deposition pulses of 3 and 5 ms) or agglomerates of copper grains (for 10 and 20 ms). In an interval of deposition pulses between 3 and 10 ms, the length of deposition pulse did not affect the size, number and depth of holes. The change of morphology of copper formed around holes was discussed by the effect of quantity of evolved hydrogen on effectiveness of stirring of solution in the near-electrode layer. The application of square-wave PO with the shorter deposition pulses enabled energy savings in the production of such copper electrodes. For example, the applied deposition pulse of 3 ms enabled energy saving of about 15% in relation to the copper electrode obtained with a deposition pulse of 10 ms (for the unchanged number, size and depth of holes).
PB - Elsevier
T2 - Journal of Electroanalytical Chemistry
T1 - Influence of potential pulse conditions on the formation of honeycomb-like copper electrodes
VL - 635
IS - 2
SP - 111
EP - 119
DO - 10.1016/j.jelechem.2009.08.005
ER -
@article{
author = "Nikolić, Nebojša D. and Branković, Goran and Maksimović, Vesna M. and Pavlović, Miomir and Popov, Konstantin I.",
year = "2009",
abstract = "Electrodeposition of copper by pulsating overpotential (PO) regime in the hydrogen co-deposition range was examined by the determination of the average current efficiency of hydrogen evolution and by microscopic analysis of the morphology of the formed deposits. The techniques of scanning electron microscopy (SEM) and optical microscopy were used for the structural analysis of the copper deposits. Honeycomb-like electrodes were formed with an amplitude overpotential of 1000 mV, a pause of 10 ms, and deposition pulses of 3, 5, 10 and 20 ms. Holes formed by attached hydrogen bubbles were surrounded by dendrites (for deposition pulses of 3 and 5 ms) or agglomerates of copper grains (for 10 and 20 ms). In an interval of deposition pulses between 3 and 10 ms, the length of deposition pulse did not affect the size, number and depth of holes. The change of morphology of copper formed around holes was discussed by the effect of quantity of evolved hydrogen on effectiveness of stirring of solution in the near-electrode layer. The application of square-wave PO with the shorter deposition pulses enabled energy savings in the production of such copper electrodes. For example, the applied deposition pulse of 3 ms enabled energy saving of about 15% in relation to the copper electrode obtained with a deposition pulse of 10 ms (for the unchanged number, size and depth of holes).",
publisher = "Elsevier",
journal = "Journal of Electroanalytical Chemistry",
title = "Influence of potential pulse conditions on the formation of honeycomb-like copper electrodes",
volume = "635",
number = "2",
pages = "111-119",
doi = "10.1016/j.jelechem.2009.08.005"
}
Nikolić, N. D., Branković, G., Maksimović, V. M., Pavlović, M.,& Popov, K. I.. (2009). Influence of potential pulse conditions on the formation of honeycomb-like copper electrodes. in Journal of Electroanalytical Chemistry
Elsevier., 635(2), 111-119.
https://doi.org/10.1016/j.jelechem.2009.08.005
Nikolić ND, Branković G, Maksimović VM, Pavlović M, Popov KI. Influence of potential pulse conditions on the formation of honeycomb-like copper electrodes. in Journal of Electroanalytical Chemistry. 2009;635(2):111-119.
doi:10.1016/j.jelechem.2009.08.005 .
Nikolić, Nebojša D., Branković, Goran, Maksimović, Vesna M., Pavlović, Miomir, Popov, Konstantin I., "Influence of potential pulse conditions on the formation of honeycomb-like copper electrodes" in Journal of Electroanalytical Chemistry, 635, no. 2 (2009):111-119,
https://doi.org/10.1016/j.jelechem.2009.08.005 . .
