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HKUST-1-Supported Cerium Catalysts for CO Oxidation

1
Department of Chemistry and Technology of Fuels, Wrocław University of Science and Technology, Gdańska 7/9, 50-344 Wrocław, Poland
2
Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Konarskiego 18a, 44-100 Gliwice, Poland
3
AGH University of Science and Technology, Al. A. Mickiewicza 30, 30-059 Kraków, Poland
4
Laboratorio de Materiales Avanzados, Departamento de Química Inorgánica-IUMA, Universidad de Alicante, Ctra. San Vicente-Alicante s/n, E-03690 San Vicente del Raspeig, Spain
*
Author to whom correspondence should be addressed.
Catalysts 2020, 10(1), 108; https://doi.org/10.3390/catal10010108
Received: 30 November 2019 / Revised: 3 January 2020 / Accepted: 9 January 2020 / Published: 12 January 2020
The synthesis method of metal–organic frameworks (MOFs) has an important impact on their properties, including their performance in catalytic reactions. In this work we report on how the performance of [Cu3(TMA)2(H2O)3]n (HKUST-1) and [email protected] in the reaction of CO oxidation depends on the synthesis method of HKUST-1 and the way the cerium active phase is introduced to it. The HKUST-1 is synthesised in two ways: via the conventional solvothermal method and in the presence of a cationic surfactant (hexadecyltrimethylammonium bromide (CTAB)). Obtained MOFs are used as supports for cerium oxide, which is deposited on their surfaces by applying wet and incipient wetness impregnation methods. To determine textural properties, structure, morphology, and thermal stability, the HKUST-1 supports and [email protected] catalysts are characterised using X-ray diffraction (XRD), N2 sorption, scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FT-IR), and thermogravimetric analysis (TGA). It is proven that the synthesis method of HKUST-1 has a significant impact on its morphology, surface area, and thermal stability. The synthesis method also influences the dispersion and the morphology of the deposited cerium oxide. Last but not least, the synthesis method affects the catalytic activity of the obtained material. View Full-Text
Keywords: HKUST-1; surfactant; cerium oxide; CO oxidation HKUST-1; surfactant; cerium oxide; CO oxidation
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Stawowy, M.; Jagódka, P.; Matus, K.; Samojeden, B.; Silvestre-Albero, J.; Trawczyński, J.; Łamacz, A. HKUST-1-Supported Cerium Catalysts for CO Oxidation. Catalysts 2020, 10, 108.

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