Nanostructured PLD-grown gadolinia doped ceria: Chemical and structural characterization by transmission electron microscopy techniques

Katarzyna Agnieszka Rodrigo, Hsiang-Jen Wang, Sebastian Heiroth, Nini Pryds, Luise Theil Kuhn, Vincenzo Esposito, Søren Linderoth, Jørgen Schou, T. Lippert

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The morphology as well as the spatially resolved elemental and chemical characterization of 10 mol% gadolinia doped ceria (CGO10) structures prepared by pulsed laser deposition (PLD) technique are investigated by scanning transmission electron microscopy accompanied with electron energy loss spectroscopy and energy dispersive X-ray spectroscopy. A dense, columnar and structurally inhomogeneous CGO10 film, i.e. exhibiting grain size refinement across the film thickness, is obtained in the deposition process. The cerium M4,5 edges, used to monitor the local electronic structure of the grains, indicate apparent variation of the ceria valence state across and along the film. No element segregation to the grain boundaries is detected. These results are discussed in the context of solid oxide fuel cell applications.
Original languageEnglish
JournalApplied Surface Science
Volume257
Issue number12
Pages (from-to)5341-5346
ISSN0169-4332
DOIs
Publication statusPublished - 2011

Keywords

  • Solid Oxide Fuel Cells
  • Fuel Cells and Hydrogen

Cite this

@article{156af9aa96b24e248bd1474878e4014d,
title = "Nanostructured PLD-grown gadolinia doped ceria: Chemical and structural characterization by transmission electron microscopy techniques",
abstract = "The morphology as well as the spatially resolved elemental and chemical characterization of 10 mol{\%} gadolinia doped ceria (CGO10) structures prepared by pulsed laser deposition (PLD) technique are investigated by scanning transmission electron microscopy accompanied with electron energy loss spectroscopy and energy dispersive X-ray spectroscopy. A dense, columnar and structurally inhomogeneous CGO10 film, i.e. exhibiting grain size refinement across the film thickness, is obtained in the deposition process. The cerium M4,5 edges, used to monitor the local electronic structure of the grains, indicate apparent variation of the ceria valence state across and along the film. No element segregation to the grain boundaries is detected. These results are discussed in the context of solid oxide fuel cell applications.",
keywords = "Solid Oxide Fuel Cells, Fuel Cells and Hydrogen, Br{\ae}ndselsceller og brint",
author = "Rodrigo, {Katarzyna Agnieszka} and Hsiang-Jen Wang and Sebastian Heiroth and Nini Pryds and Kuhn, {Luise Theil} and Vincenzo Esposito and S{\o}ren Linderoth and J{\o}rgen Schou and T. Lippert",
year = "2011",
doi = "10.1016/j.apsusc.2010.10.006",
language = "English",
volume = "257",
pages = "5341--5346",
journal = "Applied Surface Science",
issn = "0169-4332",
publisher = "Elsevier",
number = "12",

}

Nanostructured PLD-grown gadolinia doped ceria: Chemical and structural characterization by transmission electron microscopy techniques. / Rodrigo, Katarzyna Agnieszka; Wang, Hsiang-Jen; Heiroth, Sebastian; Pryds, Nini; Kuhn, Luise Theil; Esposito, Vincenzo; Linderoth, Søren; Schou, Jørgen; Lippert, T.

In: Applied Surface Science, Vol. 257, No. 12, 2011, p. 5341-5346.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Nanostructured PLD-grown gadolinia doped ceria: Chemical and structural characterization by transmission electron microscopy techniques

AU - Rodrigo, Katarzyna Agnieszka

AU - Wang, Hsiang-Jen

AU - Heiroth, Sebastian

AU - Pryds, Nini

AU - Kuhn, Luise Theil

AU - Esposito, Vincenzo

AU - Linderoth, Søren

AU - Schou, Jørgen

AU - Lippert, T.

PY - 2011

Y1 - 2011

N2 - The morphology as well as the spatially resolved elemental and chemical characterization of 10 mol% gadolinia doped ceria (CGO10) structures prepared by pulsed laser deposition (PLD) technique are investigated by scanning transmission electron microscopy accompanied with electron energy loss spectroscopy and energy dispersive X-ray spectroscopy. A dense, columnar and structurally inhomogeneous CGO10 film, i.e. exhibiting grain size refinement across the film thickness, is obtained in the deposition process. The cerium M4,5 edges, used to monitor the local electronic structure of the grains, indicate apparent variation of the ceria valence state across and along the film. No element segregation to the grain boundaries is detected. These results are discussed in the context of solid oxide fuel cell applications.

AB - The morphology as well as the spatially resolved elemental and chemical characterization of 10 mol% gadolinia doped ceria (CGO10) structures prepared by pulsed laser deposition (PLD) technique are investigated by scanning transmission electron microscopy accompanied with electron energy loss spectroscopy and energy dispersive X-ray spectroscopy. A dense, columnar and structurally inhomogeneous CGO10 film, i.e. exhibiting grain size refinement across the film thickness, is obtained in the deposition process. The cerium M4,5 edges, used to monitor the local electronic structure of the grains, indicate apparent variation of the ceria valence state across and along the film. No element segregation to the grain boundaries is detected. These results are discussed in the context of solid oxide fuel cell applications.

KW - Solid Oxide Fuel Cells

KW - Fuel Cells and Hydrogen

KW - Brændselsceller og brint

U2 - 10.1016/j.apsusc.2010.10.006

DO - 10.1016/j.apsusc.2010.10.006

M3 - Journal article

VL - 257

SP - 5341

EP - 5346

JO - Applied Surface Science

JF - Applied Surface Science

SN - 0169-4332

IS - 12

ER -