Abstract
Using three synchronized, in situ, nonintrusive, real-time characterization techniques to conduct transient observations, we revealed mechanistic details of a polymer film growth. A thin methylene green (MG) polymer coating (of the order of 35 nm) was used as a model system in this electrochemical microgravimetric imaging ellipsometry (EmIE) investigation. The direct correlation of changes in mass (via quartz crystal microbalance, QCM), ellipsometric angles (via imaging ellipsometry) with electrochemical conditions (in cyclic voltammetry, CV) provides discrete temporal and spatial information to help us decipher the underlying steps, from which we were able to separate adsorption, reduction, oxidation, desorption, and polymerization regimes involved in the deposition process. The evidence revealed in this study could have broad impact on the general understanding regarding how a film is deposited onto a metal surface.
Conference
International Symposium on Novel Materials and Their Synthesis (NMS-III) and the 17th International Symposium on Fine Chemistry and Functional Polymers (FCFP-XVII), Novel Materials and their Synthesis, NMS, Novel Materials and their Synthesis, 3rd, Shanghai, China, 2007-10-17–2007-10-21
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