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In situ environmental TEM observation of two-stage shrinking of Cu2O islands on Cu(100) during methanol reduction.
Chi, Hao; Curnan, Matthew T; Li, Meng; Andolina, Christopher M; Saidi, Wissam A; Veser, Götz; Yang, Judith C.
Afiliación
  • Chi H; Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15216, USA. gveser@pitt.edu judyyang@pitt.edu.
  • Curnan MT; Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15216, USA. gveser@pitt.edu judyyang@pitt.edu and Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA 15216, USA.
  • Li M; Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15216, USA. gveser@pitt.edu judyyang@pitt.edu.
  • Andolina CM; Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15216, USA. gveser@pitt.edu judyyang@pitt.edu.
  • Saidi WA; Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA 15216, USA.
  • Veser G; Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15216, USA. gveser@pitt.edu judyyang@pitt.edu and Center for Energy, University of Pittsburgh, Pittsburgh, PA 15216, USA.
  • Yang JC; Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15216, USA. gveser@pitt.edu judyyang@pitt.edu and Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA 15216, USA.
Phys Chem Chem Phys ; 22(5): 2738-2742, 2020 Feb 07.
Article en En | MEDLINE | ID: mdl-31960012
ABSTRACT
The structural dynamics of Cu catalyst regeneration from Cu2O under methanol is poorly understood. In situ Environmental TEM on Cu(100)-supported Cu2O islands reveals a transition from anisotropic to isotropic shrinking during reduction. Two-stage reduction is statistically supported and explained by preferential methanol reactivity on Cu2O nano-islands with DFT simulations.
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Texto completo: 1 Base de datos: MEDLINE Idioma: En Revista: Phys Chem Chem Phys Asunto de la revista: BIOFISICA / QUIMICA Año: 2020 Tipo del documento: Article
Texto completo
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PubMed Links
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Texto completo: 1 Base de datos: MEDLINE Idioma: En Revista: Phys Chem Chem Phys Asunto de la revista: BIOFISICA / QUIMICA Año: 2020 Tipo del documento: Article