Measurements of local chemistry and structure in Ni(O)–YSZ composites during reduction using energy-filtered environmental TEM

Quentin Jeangros; Thomas W. Hansen; Jakob B. Wagner; Rafal E. Dunin-Borkowski; Cécile Hébert; Jan Van herle; Aïcha Hessler-Wyser

doi:10.1039/C3CC46682E

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Measurements of local chemistry and structure in Ni(O)–YSZ composites during reduction using energy-filtered environmental TEM

Quentin Jeangros,*^a Thomas W. Hansen,^b Jakob B. Wagner,^b Rafal E. Dunin-Borkowski,^c Cécile Hébert,^a Jan Van herle^d and Aïcha Hessler-Wyser^a

Author affiliations

* Corresponding authors

^a Interdisciplinary Centre for Electron Microscopy, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
E-mail: quentin.jeangros@epfl.ch
Fax: +41 21 693 44 01
Tel: +41 21 693 68 13

^b Center for Electron Nanoscopy, Technical University of Denmark, Kgs. Lyngby, Denmark

^c Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Jülich Research Centre, Jülich, Germany

^d Fuelmat Group, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

Abstract

Energy-filtered transmission electron microscopy images are acquired during the reduction of a NiO–YSZ composite in H₂ up to 600 °C. Temperature-resolved quantitative information about both chemistry and structure is extracted with nm spatial resolution from the data, paving the way for the development of detailed reduction models.

This article is part of the themed collection: Structure and Catalyst Particles from In-situ Electron Microscopy

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Article information

DOI: https://doi.org/10.1039/C3CC46682E
Article type: Communication
Submitted: 01 ستمبر 2013
Accepted: 09 دسمبر 2013
First published: 09 دسمبر 2013

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Chem. Commun., 2014,50, 1808-1810

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Measurements of local chemistry and structure in Ni(O)–YSZ composites during reduction using energy-filtered environmental TEM

Q. Jeangros, T. W. Hansen, J. B. Wagner, R. E. Dunin-Borkowski, C. Hébert, J. Van herle and A. Hessler-Wyser, Chem. Commun., 2014, 50, 1808 DOI: 10.1039/C3CC46682E

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Chemical Communications

Measurements of local chemistry and structure in Ni(O)–YSZ composites during reduction using energy-filtered environmental TEM

Abstract

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Measurements of local chemistry and structure in Ni(O)–YSZ composites during reduction using energy-filtered environmental TEM

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