Abstract
Understanding the influence of structural changes arising from electronic characteristics is a significant challenge in novel material development. The Nb(V) and Ta(V) cations are pertinent due to their similar ionic radii across various coordinations. Layered perovskites (KSr2Nb(3-x)TaxO10, where x = 0,1, and 2) were synthesized using the solid-state method. These compounds were characterized employing experimental techniques and subjected to photocatalytic testing in a model reaction. Density Functional Theory simulations were conducted, confirming experimental data accuracy and prediction reliability. Evaluation of intra and inter-octahedral distortion and charge carrier effective masses were correlated with experimental outcomes. Remarkably, substituting Nb with Ta increased photocatalytic activity, suggesting a promising avenue for tailoring material properties.
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