Modeling the charge-transfer resistance to determine the role of guar and activated polyacrylamide in copper electrodeposition.

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dc.contributor.authorFabian, CPen_AU
dc.contributor.authorRidd, MJen_AU
dc.contributor.authorSheehan, MEen_AU
dc.contributor.authorMandin, Pen_AU
dc.date.accessioned2010-04-06en_AU
dc.date.accessioned2010-04-30T05:08:04Zen_AU
dc.date.available2010-04-06en_AU
dc.date.available2010-04-30T05:08:04Zen_AU
dc.date.issued2009-10en_AU
dc.date.statistics2009-10en_AU
dc.description.abstractIn this paper, we explore the effects of two organic additives (guar and a selectively hydrolyzed polyacrylamide) in the presence of chloride ions on copper electrodeposition using cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) at a rotating cylinder electrode (RCE). This paper also demonstrates that the CV and EIS results are consistent and that the selectively hydrolyzed polyacrylamide, "activated polyacrylamide" (APAM), acts as a suppressor/inhibitor at the cathode/electrolyte interface, whereas guar does not. This paper presents an EIS measurement model for the effect of APAM + Cl- on a copper cathode. The EIS model was applied to data obtained at a potential of -470 mV vs a mercurous-mercuric sulfate reference electrode (MSE) at 45°C. A comparison between the effect of APAM + Cl- and guar + Cl- was conducted at -490 mV (vs MSE) at 45°C. APAM + Cl- was also investigated at -445 mV (vs MSE) at 65°C. EIS was used to determine the effect of APAM + Cl- or guar + Cl- aging on the charge-transfer resistance using the RCE. CV was used to determine their effect on the polarization of the electrode. The EIS and CV results are consistent. © 2009, Electrochemical Society Inc.en_AU
dc.identifier.citationFabian, C. P., Ridd, M. J., Sheehan, M. E., & Mandin, P. (2009). Modeling the charge-transfer resistance to determine the role of guar and activated polyacrylamide in copper electrodeposition. Journal of the Electrochemical Society, 156(10), D400-D407. doi:10.1149/1.3176879en_AU
dc.identifier.govdoc1518en_AU
dc.identifier.issn0013-4651en_AU
dc.identifier.issue10en_AU
dc.identifier.journaltitleJournal of the Electrochemical Societyen_AU
dc.identifier.paginationD400-D407en_AU
dc.identifier.urihttp://dx.doi.org/10.1149/1.3176879en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3033en_AU
dc.identifier.volume156en_AU
dc.language.isoenen_AU
dc.publisherElectrochemical Societyen_AU
dc.subjectElectrodepositionen_AU
dc.subjectCopperen_AU
dc.subjectChloridesen_AU
dc.subjectCharge exchangeen_AU
dc.subjectSimulationen_AU
dc.subjectVoltametryen_AU
dc.titleModeling the charge-transfer resistance to determine the role of guar and activated polyacrylamide in copper electrodeposition.en_AU
dc.typeJournal Articleen_AU
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