Buried aluminum/polymer interfaces were studied using a spectroelectrochemical experimental setup based on simultaneous in situ attenuated total reflection Fourier transform infrared spectroscopy ͑ATR-FTIR͒ and electrical impedance spectroscopy ͑EIS͒.Transport of water and electrolyte through the polymer film to the aluminum/polymer interface and oxidation/corrosion of aluminum was followed by ATR-FTIR, while the impedance behavior of the system was simultaneously studied by EIS.As the ATR-FTIR technique is specific for the aluminum/polymer interfacial region while EIS takes into account alterations of both the polymer bulk and the interface, the combined setup provides complementary information of the system investigated.
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Öhman et al. (2007) studied this question.
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