Atomic-scale perturbation of oxygen octahedra via surface ion exchange in perovskite nickelates boosts water oxidation

Jumi Bak; Hyung Bin Bae; Sung-Yoon Chung

doi:10.1038/s41467-019-10838-1

Nature Communications (Jun 2019)

Atomic-scale perturbation of oxygen octahedra via surface ion exchange in perovskite nickelates boosts water oxidation

Jumi Bak,
Hyung Bin Bae,
Sung-Yoon Chung

Affiliations

Jumi Bak: Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST)
Hyung Bin Bae: KAIST Analysis Center, Korea Advanced Institute of Science and Technology (KAIST)
Sung-Yoon Chung: Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST)

DOI: https://doi.org/10.1038/s41467-019-10838-1
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 10

Abstract

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While perovskite oxides are well-studied for their oxygen electrocatalysis performances, the impact of oxygen octahedra is less studied. Here, authors show electrochemical exchange of lanthanide nickelate surfaces to distort oxygen octahedra, facilitating charge transfer and improving catalysis.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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