Resumen de Chemical metallation of poly-p-tetraaminophenylporphyrin films grown by cyclic voltammetry on conducting glass electrodes
Galo Ramírez, Gabriela Cornejo, Mauricio Marquez Lucero, Andrea Riquelme, Ignacio Azócar, Francisco Armijo, MaríA J. Aguirre, Ejnar Trollund
In this paper we present a simple and mild procedure to incorporate cations of transition metals to a polymer of the free-ligand para-tetraaminophenylporphyrin (H2TAPP) in order to obtain similar responses as in the case of the direct electropolymerization of a metallic complex. Sometimes, it is not possible to obtain an electropolymerized complex under a determined set of conditions. Changes in the conditions of synthesis drastically alter the properties of the polymers and, thus, the modification of the parameters of synthesis is not a feasible method to obtain a desired polymer. In those cases, a polymer of the free-ligand can be obtained and then the metallic ions can be incorporated so that an identical polymer to the one that could be obtained from the direct polymerization of the complex is obtained.
