A Mechanism for Brightening: Linear Stability Analysis of the Curvature Enhanced Coverage Model

Published

January 6, 2003

Author(s)

Geoffrey B. McFadden, Sam R. Coriell, Thomas P. Moffat, Daniel Josell, Daniel Wheeler, W Schwarzacher

Abstract

This work presents experiments and theory describing a mechanism for how brighteners in electrolytes function. The mechanism involves change of local coverage of a deposition rate enhancing catalyst adsorbed on the surface through change of local surface area during growth as well as accumulation and consumption. A first order perturbation analysis shows the surface is stable against growth of perturbations for all wavelengths above a critical value that is deposition condition dependent. The model predictions are shown to be consistent with the experimental results.

Citation

Journal of Electrochemical Society

Volume

150

Issue

9

Pub Type

Journals

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Keywords

brightening, catalyst, electrodeposition, linear stability, surface roughness, surfactant

Citation

McFadden, G. , Coriell, S. , Moffat, T. , Josell, D. , Wheeler, D. and Schwarzacher, W. (2003), A Mechanism for Brightening: Linear Stability Analysis of the Curvature Enhanced Coverage Model, Journal of Electrochemical Society, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=150860 (Accessed November 7, 2025)