Photoelectrochemical conversion by SnP-C/Fe/PAni: An integrated chemical system

The composite SnP-C/Fe/PAni was obtained as a powder by polymerization of a niline in the interlayer space of the host tin (IV) 2-carboxyethylphosphona te (SnP-C). The photoelectrochemical behavior of the composite was investig ated as a function of applied potential, polyaniline concentration and dire ction of the polychromatic irradiation. The stability of the device using a liquid electrolyte was also determined. The photoelectrochemical response is sensitive to the oxidation state of the polymer. Depending on the potent ial applied to the electrode we observe cathodic or anodic photocurrents.