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CO2 Hydrogenation to Formate and Formic Acid by Bimetallic Palladium–Copper Hydride Clusters

Journal Article · · Journal of the American Chemical Society
DOI:https://doi.org/10.1021/jacs.0c01855· OSTI ID:1765339

Mass spectrometric analysis of the anionic products of interaction between bimetallic palladium-copper tetrahydride anions, PdCuH4, and carbon dioxide, CO2, in a reaction cell shows an efficient generation of the PdCuCO2H4 intermediate and formate/formic acid complexes. Multiple structures of PdCuH4 and PdCuCO2H4 are identified by a synergy between anion photoelectron spectroscopy and quantum chemical calculations. The higher energy PdCuH4 isomer is shown to drive the catalytic hydrogenation of CO2, emphasizing the importance of accounting for higher energy isomers for cluster catalytic activity. In conclusion, this study represents the first example of CO2 hydrogenation by bimetallic hydride clusters.

Research Organization:
Univ. of California, Los Angeles, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division
Grant/Contract Number:
SC0019152
OSTI ID:
1765339
Journal Information:
Journal of the American Chemical Society, Journal Name: Journal of the American Chemical Society Journal Issue: 17 Vol. 142; ISSN 0002-7863
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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