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Tuning Pt-CeO2 interactions by high-temperature vapor-phase synthesis for improved reducibility of lattice oxygen

Author

Listed:
  • Xavier Isidro Pereira-Hernández

    (Washington State University)

  • Andrew DeLaRiva

    (University of New Mexico)

  • Valery Muravev

    (Department of Chemical Engineering and Chemistry, Eindhoven University of Technology)

  • Deepak Kunwar

    (University of New Mexico)

  • Haifeng Xiong

    (University of New Mexico)

  • Berlin Sudduth

    (Washington State University)

  • Mark Engelhard

    (Pacific Northwest National Laboratory)

  • Libor Kovarik

    (Pacific Northwest National Laboratory)

  • Emiel J. M. Hensen

    (Department of Chemical Engineering and Chemistry, Eindhoven University of Technology)

  • Yong Wang

    (Washington State University
    Pacific Northwest National Laboratory)

  • Abhaya K. Datye

    (University of New Mexico)

Abstract

In this work, we compare the CO oxidation performance of Pt single atom catalysts (SACs) prepared via two methods: (1) conventional wet chemical synthesis (strong electrostatic adsorption–SEA) with calcination at 350 °C in air; and (2) high temperature vapor phase synthesis (atom trapping–AT) with calcination in air at 800 °C leading to ionic Pt being trapped on the CeO2 in a thermally stable form. As-synthesized, both SACs are inactive for low temperature (

Suggested Citation

  • Xavier Isidro Pereira-Hernández & Andrew DeLaRiva & Valery Muravev & Deepak Kunwar & Haifeng Xiong & Berlin Sudduth & Mark Engelhard & Libor Kovarik & Emiel J. M. Hensen & Yong Wang & Abhaya K. Datye, 2019. "Tuning Pt-CeO2 interactions by high-temperature vapor-phase synthesis for improved reducibility of lattice oxygen," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-09308-5
    DOI: 10.1038/s41467-019-09308-5
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    Cited by:

    1. Jingyi Yang & Yike Huang & Haifeng Qi & Chaobin Zeng & Qike Jiang & Yitao Cui & Yang Su & Xiaorui Du & Xiaoli Pan & Xiaoyan Liu & Weizhen Li & Botao Qiao & Aiqin Wang & Tao Zhang, 2022. "Modulating the strong metal-support interaction of single-atom catalysts via vicinal structure decoration," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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