Abstract
In this contribution we evaluated the effect of synthesis procedure (complexing molecule, calcination temperature) and doping on the properties and catalytic performance of SrTiO3. Focusing on preparation we compared two complexants: citric acid and glycine calcinating the catalysts at 700 and 850 °C. Moreover, we doped the perovskite substituting Sr with K and Ti with Mn. The obtained catalysts have been characterized by X-Ray diffraction, X-Ray photoelectron spectroscopy, BET, scanning electron microscopy, energy dispersive X-Ray analysis, temperature programmed reduction. To evaluate the effect of upon mentioned aspects on the catalytic activity, the following reactions have been considered: CO oxidation, CO assisted NO reduction, soot oxidation. The obtained results underline the deep effect of dopants, with particular reference to Mn, on the catalytic performance.
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The research leading to these results has received funding from the European Union’s H2020 Programme under grant agreement 686086 PARTIAL-PGMs.
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De Zanet, A., Peron, G., Natile, M.M. et al. Synthesis and Development of Four Way Catalysts Starting from Critical Raw Material Free Perovskites: Influence of Doping and Synthesis Conditions. Top Catal 62, 237–243 (2019). https://doi.org/10.1007/s11244-018-1119-7
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DOI: https://doi.org/10.1007/s11244-018-1119-7