Article ID Journal Published Year Pages File Type
193844 Electrochimica Acta 2008 5 Pages PDF
Abstract

The galvanoluminescence (GL) properties of anodic oxide films formed in organic electrolytes were investigated at different aluminum annealing temperatures. The results of the spectral measurements showed two different types of GL sources: carboxylate ions incorporated in oxide films during the anodization and the molecules AlH, AlO, Al2, AlH2, also formed during anodization process and already recognized in the case of inorganic electrolytes. The latter was related to gamma alumina crystalline regions formed by annealing of the aluminum samples at temperatures above 500 °C.

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Physical Sciences and Engineering Chemical Engineering Chemical Engineering (General)
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