Carbon support effects on the selectivity of Pd/C catalysts for the hydrogenation of multifunctional chemicals

Research output: Contribution to journalConference abstract in journal – Annual report year: 2018Researchpeer-review

  • Author: Rao , Radhika

    Iowa State University, United States

  • Author: Blume, Raoul

    Fritz Haber Institute of the Max Planck Society, Germany

  • Author: Hansen, Thomas Willum

    Center for Electron Nanoscopy, Technical University of Denmark, Fysikvej, 2800, Kgs. Lyngby, Denmark

  • Author: Fuentes, Erika

    University of Texas, United States

  • Author: Chabal, Yves J.

    University of Texas, United States

  • Author: Schloegl, Robert

    Fritz Haber Institute of the Max Planck Society, Germany

  • Author: Hibbitts, David D.

    University of Florida, United States

  • Author: Tessonnier , Jean Philippe

    Iowa State University, United States

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Metal-support interactions (MSI) and their impact on catalytic performance are well documented for oxide supports. In contrast, similar effects have been rarely studied for carbon-supported catalysts. Specifically, structure-activity correlations have remained elusive for carbons due to their heterogeneous structure at the nanoscale.

Herein, we decreased the level of complexity of disordered nanocarbon supports with the objective of decoupling the effects of surface chemistry and graphitic character. Relationships between these isolated support features and the electronic properties of Pd metal nanoparticles (3-5 nm) were established for the liquid-phase hydrogenation of ,-unsaturated aldehydes. Trends in catalytic performance were corroborated with the evidence for MSI provided by hydrogen adsorption isotherms, aberration corrected transmission electron microscopy, synchrotron radiation based X-ray photoelectron spectroscopy, and density functional theory calculations. The observed correlations between the supports defect structure and the electronic properties of Pd are expected to set the foundation for the rational design of carbon supported catalysts. These results are envisioned to impact a vast array of reactions catalyzed by Pd/C, including hydrogenations, coupling, dehydrogenations, and oxidations.
Original languageEnglish
JournalAmerican Chemical Society. Abstracts of Papers (at the National Meeting)
Volume253
Number of pages1
ISSN0065-7727
Publication statusPublished - 2018
Event253rd ACS National Meeting - San Francisco, California, United States
Duration: 2 Apr 20176 Apr 2017
Conference number: 253

Conference

Conference253rd ACS National Meeting
Number253
CountryUnited States
CitySan Francisco, California
Period02/04/201706/04/2017

Bibliographical note

Program Area: Division of Catalysis Science and Technology, CATL 111

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