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Clustering-Evolved Frontier Orbital for Low-Temperature CO 2 Dissociation.

Jinliang PanXiu-E LiYifan ZhuJunyi ZhouZhen ZhuChanglin LiXianzheng LiuXiaoyang LiangZengxu YangQiwei ChenPengju RenXiao-Dong WenXiong ZhouKai Wu
Published in: Journal of the American Chemical Society (2023)
In this study, single Ni 2 clusters (two Ni atoms bridged by a lattice oxygen) are successfully synthesized on monolayered CuO. They exhibit a remarkable activity toward low-temperature CO 2 thermal dissociation, in contrast to cationic Ni atoms that nondissociatively adsorb CO 2 and metallic Ni ones that are chemically inert for CO 2 adsorption. Density functional theory calculations reveal that the Ni 2 clusters can significantly alter the spatial symmetry of their unoccupied frontier orbitals to match the occupied counterpart of the CO 2 molecule and enable its low-temperature dissociation. This study may help advance single-cluster catalysis and exploit the unexcavated mechanism for low-temperature CO 2 activation.
Keyphrases
  • density functional theory
  • molecular dynamics
  • metal organic framework
  • single cell
  • magnetic resonance imaging
  • gene expression
  • molecular dynamics simulations
  • rna seq