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The Critical Role of βPdZn Alloy in Pd/ZnO Catalysts for the Hydrogenation of Carbon Dioxide to Methanol by Michael Bowker; Naomi Lawes; Isla Gow; James Hayward; Jonathan Ruiz Esquius; Nia Richards; Louise R. Smith; Thomas J. A. Slater; Thomas E Davies; Nicholas F. Dummer; Lara Kabalan; Andrew Logsdail; Richard C. Catlow; Stuart Taylor; Graham J Hutchings is a Chemistry article available to read on EtoBox.
What is The Critical Role of βPdZn Alloy in Pd/ZnO Catalysts for the Hydrogenation of Carbon Dioxide to Methanol about?
The rise in atmospheric CO 2 concentration and the concomitant rise in global surface temperature have prompted massive research effort in designing catalytic routes to utilize CO 2 as a feedstock. Prime among these is the hydrogenation of CO 2 to make methanol, which is a key commodity chemical intermediate, a hydrogen storage molecule, and a possible future fuel for transport sectors that cannot be electrified. Pd/ZnO has been identified as an effective candidate as a catalyst for this reaction, yet there has been no attempt to gain a fundamental understanding of how this catalyst works and more importantly to establish specific design criteria for CO 2 hydrogenation catalysts. Here, we show that Pd/ ZnO catalysts have the same metal particle composition, irrespective of the different synthesis procedures and types of ZnO used here. We demonstrate that all of these Pd/ZnO catalysts exhibit the same activity trend. In all cases, the β-PdZn 1:1 alloy is produced and dictates the catalysis. This conclusion is further supported by the relationship between conversion and selectivity and their small variation with ZnO surface area in the range 6-80 m 2 g -1 . Without alloying with Zn,
Who reads The Critical Role of βPdZn Alloy in Pd/ZnO Catalysts for the Hydrogenation of Carbon Dioxide to Methanol?
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- Author
- Michael Bowker; Naomi Lawes; Isla Gow; James Hayward; Jonathan Ruiz Esquius; Nia Richards; Louise R. Smith; Thomas J. A. Slater; Thomas E Davies; Nicholas F. Dummer; Lara Kabalan; Andrew Logsdail; Richard C. Catlow; Stuart Taylor; Graham J Hutchings
- Publisher
- American Chemical Society (ACS)
- Published
- 2022
- Language
- EN
- Field
- Chemistry (Physical Sciences)