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Cover Feature: Modulation of the Effective Metal‐Support Interactions for the Selectivity of Ceria Supported Noble Metal Nanoclusters in Atmospheric CO 2 Hydrogenation (ChemCatChem 3/2021)
Author(s) -
Guo Yu,
Liu Zongyuan,
Zhang Feng,
Wang DeJiu,
Yuan Kun,
Huang Ling,
Liu HaiChao,
Senanayake Sanjaya D.,
Rodriguez Jose A,
Yan ChunHua,
Zhang YaWen
Publication year - 2021
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.202001983
Subject(s) - nanoclusters , selectivity , catalysis , noble metal , chemistry , transfer hydrogenation , metal , methanation , photochemistry , inorganic chemistry , ruthenium , organic chemistry
The Cover Feature displays the selectivity towards CH 4 and CO in atmospheric CO 2 hydrogenation over Ru, Rh, Ir, Pd and Pt nanoclusters supported on CeO 2 nanowires. The process could be tuned by interfacial charge transfer, and an effective metal‐support interaction (MSI) for different target products is defined. In their Full Paper, Y. Guo et al. reveal the correlation between the oxidized or zero‐valent noble metal sites and the hydrogenation of key intermediates, which results in a selective CO 2 hydrogenation. For the formate and CO routes which lead to CH 4 products, the hydrogenation of monodentate carbonates and carbonyl groups could be facilitated by zero‐valent Ru or Rh sites on Ru/CeO 2 or Rh/CeO 2 catalysts with high methane selectivity, whose metal valences are immediately altered by interfacial charge transfer processes. Conversely, the oxidized Pd and Pt sites are not good for the methanation process and show high CO selectivity. The interfacial charge transfer is then defined as an effective MSI responsible for CH 4 or CO products, respectively. This work presents a new classification of MSI based on their efficiency towards target products and illustrates that MSI should be tuned for the development of high‐performance heterogeneous catalysts. More information can be found in the Full Paper by Y. Guo et al.