Effect of Dopant-Host Ionic Radii Mismatch on Acceptor-Doped Barium Zirconate Microstructure and Proton Conductivity

Elisa Gilardi; Emiliana Fabbri; Lei Bi; Jennifer L.M. Rupp; Thomas Lippert; Daniele Pergolesi; Enrico Traversa

doi:10.1021/acs.jpcc.7b02163

Effect of Dopant-Host Ionic Radii Mismatch on Acceptor-Doped Barium Zirconate Microstructure and Proton Conductivity

Elisa Gilardi, Emiliana Fabbri, Lei Bi, Jennifer L.M. Rupp, Thomas Lippert, Daniele Pergolesi^*, Enrico Traversa

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

104 Scopus citations

Abstract

In the present study, morphological and electrical properties of BaZrO₃ were investigated as a function of the ionic radii mismatch between Zr and the different B-site dopants (Al, Sc, In, Lu, Tm, Y, Gd, Sm, Nd, and La) for the same solute concentration and valence. Our study highlights the critical role of the ionic radius of the acceptor dopant on stability, sinterability, and proton conductivity of barium zirconate. From our study, Gd-doped barium zirconate emerges as a novel promising material for proton conductor electrolytes.

Original language	English (US)
Pages (from-to)	9739-9747
Number of pages	9
Journal	JOURNAL OF PHYSICAL CHEMISTRY C
Volume	121
Issue number	18
DOIs	https://doi.org/10.1021/acs.jpcc.7b02163
State	Published - May 11 2017
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
General Energy
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

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10.1021/acs.jpcc.7b02163

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title = "Effect of Dopant-Host Ionic Radii Mismatch on Acceptor-Doped Barium Zirconate Microstructure and Proton Conductivity",

abstract = "In the present study, morphological and electrical properties of BaZrO3 were investigated as a function of the ionic radii mismatch between Zr and the different B-site dopants (Al, Sc, In, Lu, Tm, Y, Gd, Sm, Nd, and La) for the same solute concentration and valence. Our study highlights the critical role of the ionic radius of the acceptor dopant on stability, sinterability, and proton conductivity of barium zirconate. From our study, Gd-doped barium zirconate emerges as a novel promising material for proton conductor electrolytes.",

author = "Elisa Gilardi and Emiliana Fabbri and Lei Bi and Rupp, {Jennifer L.M.} and Thomas Lippert and Daniele Pergolesi and Enrico Traversa",

note = "Publisher Copyright: {\textcopyright} 2017 American Chemical Society.",

year = "2017",

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doi = "10.1021/acs.jpcc.7b02163",

language = "English (US)",

volume = "121",

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T1 - Effect of Dopant-Host Ionic Radii Mismatch on Acceptor-Doped Barium Zirconate Microstructure and Proton Conductivity

AU - Gilardi, Elisa

AU - Fabbri, Emiliana

AU - Bi, Lei

AU - Rupp, Jennifer L.M.

AU - Lippert, Thomas

AU - Pergolesi, Daniele

AU - Traversa, Enrico

PY - 2017/5/11

Y1 - 2017/5/11

N2 - In the present study, morphological and electrical properties of BaZrO3 were investigated as a function of the ionic radii mismatch between Zr and the different B-site dopants (Al, Sc, In, Lu, Tm, Y, Gd, Sm, Nd, and La) for the same solute concentration and valence. Our study highlights the critical role of the ionic radius of the acceptor dopant on stability, sinterability, and proton conductivity of barium zirconate. From our study, Gd-doped barium zirconate emerges as a novel promising material for proton conductor electrolytes.

AB - In the present study, morphological and electrical properties of BaZrO3 were investigated as a function of the ionic radii mismatch between Zr and the different B-site dopants (Al, Sc, In, Lu, Tm, Y, Gd, Sm, Nd, and La) for the same solute concentration and valence. Our study highlights the critical role of the ionic radius of the acceptor dopant on stability, sinterability, and proton conductivity of barium zirconate. From our study, Gd-doped barium zirconate emerges as a novel promising material for proton conductor electrolytes.

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M3 - Article

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JO - JOURNAL OF PHYSICAL CHEMISTRY C

JF - JOURNAL OF PHYSICAL CHEMISTRY C

IS - 18

ER -

Effect of Dopant-Host Ionic Radii Mismatch on Acceptor-Doped Barium Zirconate Microstructure and Proton Conductivity

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