Abstract
Hybrid materials based on the anchoring polyoxometalate particles POM on several multiwalled carbon nanotubes (NTs) matrices with different oxidation degree are characterized and electrochemically studied, in order to correlate the dispersion degree of POM particles on these matrices with their electrochemical behavior. These hybrids synthesized with soluble PMo12 particles resulted in truly homogenous hybrids and are analyzed by XRD, SEM, EDS, TEM, and N2 adsorption isotherms in order to confirm the presence of their components and their dispersion properties. Higher dispersion of PMo12 nanoparticles is the main factor contributing to an improved electrochemical behavior in these types of hybrid materials, making hybrid NT-S-PMo12 with this property the one resulting in the best electrochemical performance where the redox contribution of PMo12 particles are clearly observed as well as the improved double layer contribution of its nanotube matrix (NT-S, highly oxidized).
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