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Direct cleavage of C=O double bond in CO₂ by the subnano MoO<sub>x</sub> surface on Mo₂N

Chemistry

Direct cleavage of C=O double bond in CO₂ by the subnano MoO<sub>x</sub> surface on Mo₂N

H. Liu, W. Wang, et al.

This groundbreaking study by Hao-Xin Liu, Wei-Wei Wang, Xin-Pu Fu, Jin-Cheng Liu, and Chun-Jiang Jia unveils a novel MoOₓ/Mo₂N catalyst that dramatically enhances CO₂ hydrogenation efficiency to carbon monoxide, leveraging rich oxygen vacancies to cleave C=O bonds at impressive rates. Join us in exploring the future of CO₂-related synthesis!

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Playback language: English
Abstract
Direct CO₂ dissociation into carbonyl (*CO) offers a simplified reaction route for CO₂-related synthesis. This study constructs a subnano MoO₃ layer on Mo₂N, creating a dynamic MoO₃/MoOₓ (x < 3) surface for CO₂ hydrogenation. Rich oxygen vacancies on the subnano MoOₓ surface directly cleave the C=O bond, forming CO at a high rate. H₂ removes the leached O atoms, regenerating active sites. The MoOₓ/Mo₂N catalyst shows excellent performance for CO₂ hydrogenation to CO, surpassing many supported metal catalysts.
Publisher
Nature Communications
Published On
Oct 23, 2024
Authors
Hao-Xin Liu, Wei-Wei Wang, Xin-Pu Fu, Jin-Cheng Liu, Chun-Jiang Jia
Tags
CO₂ dissociation
carbonyl
MoOₓ/Mo₂N catalyst
CO hydrogenation
oxygen vacancies
C=O bond cleavage
synthesis

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