Structural and reactive evolution of oxidatively grafted Pd catalysts on MnO2 for the low-temperature oxidation of CO

Jacklyn N. Hall; A. Jeremy Kropf; Uddhav Kanbur; Fulya Dogan; Carly Byron; Jianguo Wen; Massimiliano Delferro; David M. Kaphan

doi:10.1039/D3CC01094E

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Structural and reactive evolution of oxidatively grafted Pd catalysts on MnO₂ for the low-temperature oxidation of CO†

Jacklyn N. Hall,^a A. Jeremy Kropf,

*^a Uddhav Kanbur,^a Fulya Dogan,^a Carly Byron,^a Jianguo Wen,

^b Massimiliano Delferro

*^a and David M. Kaphan

*^a

Author affiliations

* Corresponding authors

^a Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, USA
E-mail: kaphand@anl.gov, delferro@anl.gov, kropf@anl.gov

^b Center for Nanoscale Materials, Argonne National Laboratory, Lemont, Illinois 60439, USA

Abstract

Isolated Pd atoms supported on high surface area MnO₂, prepared by the oxidative grafting of (bis(tricyclohexylphosphine-palladium(0)), catalyze (>50 turnovers, 17 h) the low temperature (≤325 K) oxidation of CO (7.7 kPa O₂, 2.6 kPa CO) with results of in situ/operando and ex situ spectroscopic characterization signifying a synergistic role of Pd and MnO₂ in facilitating redox turnovers.

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Article information

DOI: https://doi.org/10.1039/D3CC01094E
Article type: Communication
Submitted: 05 ⵎⴰⵕ 2023
Accepted: 10 ⵎⴰⵢ 2023
First published: 11 ⵎⴰⵢ 2023

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Chem. Commun., 2023,59, 6861-6864

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Structural and reactive evolution of oxidatively grafted Pd catalysts on MnO₂ for the low-temperature oxidation of CO

J. N. Hall, A. J. Kropf, U. Kanbur, F. Dogan, C. Byron, J. Wen, M. Delferro and D. M. Kaphan, Chem. Commun., 2023, 59, 6861 DOI: 10.1039/D3CC01094E

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