Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/89761
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dc.contributor.authorWang, L.en
dc.contributor.authorDu, Y.en
dc.contributor.authorChang, L.en
dc.contributor.authorStoerzinger, K. A.en
dc.contributor.authorBowden, M. E.en
dc.contributor.authorWang, J.en
dc.contributor.authorChambers, S. A.en
dc.date.accessioned2018-10-18T04:32:25Zen
dc.date.accessioned2019-12-06T17:32:53Z-
dc.date.available2018-10-18T04:32:25Zen
dc.date.available2019-12-06T17:32:53Z-
dc.date.issued2018en
dc.identifier.citationWang, L., Du, Y., Chang, L., Stoerzinger, K. A., Bowden, M. E., Wang, J., & Chambers, S. A. (2018). Band alignment and electrocatalytic activity at the p-n La0.88Sr0.12FeO3/SrTiO3(001) heterojunction. Applied Physics Letters, 112(26), 261601-. doi:10.1063/1.5030897en
dc.identifier.issn0003-6951en
dc.identifier.urihttps://hdl.handle.net/10356/89761-
dc.description.abstractFerrite perovskites have exhibited promising p-type conductivity and oxygen evolution reaction (OER) activity. In this work, we investigate heteroepitaxial p-n junctions formed by La0.88Sr0.12FeO3 and n-SrTiO3(001). Sr substitution for La in LaFeO3 is shown to be effective for introducing p-type conductivity, lowering the optical bandgap, and enhancing electrocatalytic OER. A staggered, type-II band alignment with a large built-in potential within the LSFO forms due to the polar interface. This electronic structure facilitates charge transfer across the p-n junction and accounts for the strongly thickness-dependent extent of OER we observe.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent5 p.en
dc.language.isoenen
dc.relation.ispartofseriesApplied Physics Lettersen
dc.rights© 2018 The Author(s) (Published by AIP). This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of The Author(s) (Published by AIP). The published version is available at: [http://dx.doi.org/10.1063/1.5030897]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectX-ray Photoelectron Spectroscopyen
dc.subjectBand Gapen
dc.subjectDRNTU::Engineering::Materialsen
dc.titleBand alignment and electrocatalytic activity at the p-n La0.88Sr0.12FeO3/SrTiO3(001) heterojunctionen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.identifier.doi10.1063/1.5030897en
dc.description.versionPublished versionen
item.grantfulltextopen-
item.fulltextWith Fulltext-
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