4.2 Article

PdZn catalysts for CO2 hydrogenation to methanol using chemical vapour impregnation (CVI)

Journal

FARADAY DISCUSSIONS
Volume 197, Issue -, Pages 309-324

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6fd00189k

Keywords

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Funding

  1. UK Catalysis Hub
  2. EPSRC [EP/I038748/1, EP/K014714/1]
  3. EC [637016]
  4. EPSRC [EP/I038748/1, EP/K014854/1, EP/K014714/1] Funding Source: UKRI
  5. Engineering and Physical Sciences Research Council [EP/K014714/1, EP/I038748/1, EP/K014854/1] Funding Source: researchfish
  6. H2020 Societal Challenges Programme [637016] Funding Source: H2020 Societal Challenges Programme

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The formation of PdZn bimetallic alloys on ZnO, TiO2 and Al2O3 supports was investigated, together with the effect of alloy formation on the CO2 hydrogenation reaction. The chemical vapour impregnation (CVI) method produced PdZn nanoparticles with diameters of 3-6 nm. X-ray photoelectron spectroscopy and X-ray diffraction revealed the changes in the structure of the PdZn alloy that help stabilise formate intermediates during methanol synthesis. PdZn supported on TiO2 exhibits high methanol productivity of 1730 mmol kg(cat)(-1) h(-1) that is associated with the high dispersion of the supported PdZn alloy.

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