Abstract
The aim of this work was to elaborate on a thin polymeric film for coating transparent fluorine-doped tin oxide (FTO) electrode supported on a glass substrate for trapping ions. Possible applications are the easier detection of ions due to complexation on the FTO surface or could be the making up of electrochromic devices using copper(I)-salt based electrolytes to avoid diffusion of ions formed at the anode toward Cu(0) deposited on the cathode. These thin polymeric films proposed here as complexing material candidates toward copper ions belong to polyalkyleneimine polymers. They were obtained by anodic electropolymerization of aliphatic polyamines (with at least two primary amino groups) such as ethylenediamine, 1,3-diaminopropane, or diethylenetriamine on FTO electrode surfaces and characterized by IR attenuated total reflectance spectroscopy. Moreover, we have shown that polyalkyleneimine-type polymers used here present good chelating properties towards ions due to the amino groups they contain. © 2004 The Electrochemical Society. All rights reserved.
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