Oxygen electrocatalysis on (001)-oriented manganese perovskite films: Mn valency and charge transfer at the nanoscale

Kelsey A. Stoerzinger; Marcel Risch; Jin Suntivich; W. M. Lü; Jigang Zhou; Michael D. Biegalski; Hans M. Christen; Ariando; T. Venkatesan; Shao Horn Yang

doi:10.1039/c3ee40321a

Oxygen electrocatalysis on (001)-oriented manganese perovskite films: Mn valency and charge transfer at the nanoscale

Kelsey A. Stoerzinger
, Marcel Risch
, Jin Suntivich
, W. M. Lü
, Jigang Zhou
, Michael D. Biegalski
, Hans M. Christen
, Ariando
, T. Venkatesan
, Shao Horn Yang^*

^*Corresponding author for this work

Massachusetts Institute of Technology
Harvard University
National University of Singapore
University of Saskatchewan
Oak Ridge National Laboratory

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

152 Scopus citations

Abstract

We report that the oxygen reduction reaction (ORR) activities of (001)-oriented manganese perovskite films decrease from 10 to 1 nm by more than an order of magnitude, which can be attributed to the barrier associated with interfacial band bending that impedes electron transfer to the electrolyte, and reduction of Mn³⁺ due to charge transfer from the Nb:SrTiO ₃ substrate. Furthermore, we show by substitution in La _1-x(Ca,Sr)_xMnO₃ that Mn³⁺, not Mn⁴⁺, is the active valence state for ORR.

Original language	English
Pages (from-to)	1582-1588
Number of pages	7
Journal	Energy and Environmental Science
Volume	6
Issue number	6
DOIs	https://doi.org/10.1039/c3ee40321a
State	Published - Jun 2013
Externally published	Yes

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@article{61bfec0f070e4989bbd7c68dbd2864c3,

title = "Oxygen electrocatalysis on (001)-oriented manganese perovskite films: Mn valency and charge transfer at the nanoscale",

abstract = "We report that the oxygen reduction reaction (ORR) activities of (001)-oriented manganese perovskite films decrease from 10 to 1 nm by more than an order of magnitude, which can be attributed to the barrier associated with interfacial band bending that impedes electron transfer to the electrolyte, and reduction of Mn3+ due to charge transfer from the Nb:SrTiO 3 substrate. Furthermore, we show by substitution in La 1-x(Ca,Sr)xMnO3 that Mn3+, not Mn4+, is the active valence state for ORR.",

author = "Stoerzinger, \{Kelsey A.\} and Marcel Risch and Jin Suntivich and L{\"u}, \{W. M.\} and Jigang Zhou and Biegalski, \{Michael D.\} and Christen, \{Hans M.\} and Ariando and T. Venkatesan and Yang, \{Shao Horn\}",

year = "2013",

month = jun,

doi = "10.1039/c3ee40321a",

language = "英语",

volume = "6",

pages = "1582--1588",

journal = "Energy and Environmental Science",

issn = "1754-5692",

publisher = "Royal Society of Chemistry",

number = "6",

}

TY - JOUR

T1 - Oxygen electrocatalysis on (001)-oriented manganese perovskite films

T2 - Mn valency and charge transfer at the nanoscale

AU - Stoerzinger, Kelsey A.

AU - Risch, Marcel

AU - Suntivich, Jin

AU - Lü, W. M.

AU - Zhou, Jigang

AU - Biegalski, Michael D.

AU - Christen, Hans M.

AU - Ariando,

AU - Venkatesan, T.

AU - Yang, Shao Horn

PY - 2013/6

Y1 - 2013/6

N2 - We report that the oxygen reduction reaction (ORR) activities of (001)-oriented manganese perovskite films decrease from 10 to 1 nm by more than an order of magnitude, which can be attributed to the barrier associated with interfacial band bending that impedes electron transfer to the electrolyte, and reduction of Mn3+ due to charge transfer from the Nb:SrTiO 3 substrate. Furthermore, we show by substitution in La 1-x(Ca,Sr)xMnO3 that Mn3+, not Mn4+, is the active valence state for ORR.

AB - We report that the oxygen reduction reaction (ORR) activities of (001)-oriented manganese perovskite films decrease from 10 to 1 nm by more than an order of magnitude, which can be attributed to the barrier associated with interfacial band bending that impedes electron transfer to the electrolyte, and reduction of Mn3+ due to charge transfer from the Nb:SrTiO 3 substrate. Furthermore, we show by substitution in La 1-x(Ca,Sr)xMnO3 that Mn3+, not Mn4+, is the active valence state for ORR.

UR - https://www.scopus.com/pages/publications/84878070618

U2 - 10.1039/c3ee40321a

DO - 10.1039/c3ee40321a

M3 - 文章

AN - SCOPUS:84878070618

SN - 1754-5692

VL - 6

SP - 1582

EP - 1588

JO - Energy and Environmental Science

JF - Energy and Environmental Science

IS - 6

ER -

Oxygen electrocatalysis on (001)-oriented manganese perovskite films: Mn valency and charge transfer at the nanoscale

Abstract

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