Nanostructured perovskites

V. FUERTES ; M. SALGUERO SALAS; N. BAJALES

Santa Fe

Conferencia; VI SAN LUIS CONFERENCE ON SURFACES, INTERFACES AND CATALYSIS; 2018

INTEC (CONICET-UNL, Argentina)

Nanostructured materials have fostered a revolution over the past decade in both academic and industrial communities, offering a new paradigm for material manufacture based on remarkable changes in fundamental properties that occur as one progresses from extended solids to a material consisting of few atoms. In fact, nanometric structures have contributed not only to the development of high impact technology hardware, but also in healthcare, therapeutic, diagnostic, environment and energy advances. In this latter case, mixed oxides such as perovskites (ABO3) have attracted great attention because of their potential use in alternative energies. Thus, recent investigations have shown that cobaltite nanotubes and nanowires are promising systems for applications in intermediate temperature solid oxide fuel cells (IT-SOFCs). On the other hand, the anodic aluminum oxide (AAO) provides a versatile nanostructured platform to obtain unidimensional systems with large aspect ratio. In this work, we show preliminary results on the synthesis of perovskite-based nanostructures obtained by wet methods. Structural and morphological characterizations are carried out by means of XRD and AFM respectively, while electrochemical behavior is measured using a galvanostat/potenciostat.