Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub>

This work focused on the novel electrochemical energy material with significantly improved electrical properties. The novel complex oxide Ba<sub>1.1</sub>La<sub>0.9</sub>In<sub>0.5</sub>Y<sub>0.5</sub>O<sub>3.95</sub> with layered perovskit...

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Autores principales: Nataliia Tarasova, Anzhelika Galisheva, Irina Animitsa, Ksenia Belova
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:a20fd166c2f9472cb4e95fd7f87160662021-11-11T17:49:45ZSimultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub>10.3390/ma142162401996-1944https://doaj.org/article/a20fd166c2f9472cb4e95fd7f87160662021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6240https://doaj.org/toc/1996-1944This work focused on the novel electrochemical energy material with significantly improved electrical properties. The novel complex oxide Ba<sub>1.1</sub>La<sub>0.9</sub>In<sub>0.5</sub>Y<sub>0.5</sub>O<sub>3.95</sub> with layered perovskite structure was obtained for the first time. It was proven that the simultaneous introduction of barium and yttrium ions in the structure of BaLaInO<sub>4</sub> leads to the increase in the unit cell volume of up to 4% and water uptake by about three times. The increase in the proton conductivity values was both due to an increase in the proton concentration and their mobility. The sample Ba<sub>1.1</sub>La<sub>0.9</sub>In<sub>0.5</sub>Y<sub>0.5</sub>O<sub>3.95</sub> was a nearly pure proton conductor below 400 °C. The co-doping strategy allowed us to increase the protonic conductivity values up to two orders of magnitude and it is the successful method for the design of novel protonic conductors based on the layered perovskites.Nataliia TarasovaAnzhelika GalishevaIrina AnimitsaKsenia BelovaMDPI AGarticleBaLaInO<sub>4</sub>layered perovskiteRuddlesden-Popper structurewater uptakeoxygen-ion conductivityprotonic conductivityTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6240, p 6240 (2021)
institution DOAJ
collection DOAJ
language EN
topic BaLaInO<sub>4</sub>
layered perovskite
Ruddlesden-Popper structure
water uptake
oxygen-ion conductivity
protonic conductivity
Technology
T
Electrical engineering. Electronics. Nuclear engineering
TK1-9971
Engineering (General). Civil engineering (General)
TA1-2040
Microscopy
QH201-278.5
Descriptive and experimental mechanics
QC120-168.85
spellingShingle BaLaInO<sub>4</sub>
layered perovskite
Ruddlesden-Popper structure
water uptake
oxygen-ion conductivity
protonic conductivity
Technology
T
Electrical engineering. Electronics. Nuclear engineering
TK1-9971
Engineering (General). Civil engineering (General)
TA1-2040
Microscopy
QH201-278.5
Descriptive and experimental mechanics
QC120-168.85
Nataliia Tarasova
Anzhelika Galisheva
Irina Animitsa
Ksenia Belova
Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub>
description This work focused on the novel electrochemical energy material with significantly improved electrical properties. The novel complex oxide Ba<sub>1.1</sub>La<sub>0.9</sub>In<sub>0.5</sub>Y<sub>0.5</sub>O<sub>3.95</sub> with layered perovskite structure was obtained for the first time. It was proven that the simultaneous introduction of barium and yttrium ions in the structure of BaLaInO<sub>4</sub> leads to the increase in the unit cell volume of up to 4% and water uptake by about three times. The increase in the proton conductivity values was both due to an increase in the proton concentration and their mobility. The sample Ba<sub>1.1</sub>La<sub>0.9</sub>In<sub>0.5</sub>Y<sub>0.5</sub>O<sub>3.95</sub> was a nearly pure proton conductor below 400 °C. The co-doping strategy allowed us to increase the protonic conductivity values up to two orders of magnitude and it is the successful method for the design of novel protonic conductors based on the layered perovskites.
format article
author Nataliia Tarasova
Anzhelika Galisheva
Irina Animitsa
Ksenia Belova
author_facet Nataliia Tarasova
Anzhelika Galisheva
Irina Animitsa
Ksenia Belova
author_sort Nataliia Tarasova
title Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub>
title_short Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub>
title_full Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub>
title_fullStr Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub>
title_full_unstemmed Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub>
title_sort simultaneous hetero- and isovalent doping as the strategy for improving transport properties of proton conductors based on balaino<sub>4</sub>
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/a20fd166c2f9472cb4e95fd7f8716066
work_keys_str_mv AT nataliiatarasova simultaneousheteroandisovalentdopingasthestrategyforimprovingtransportpropertiesofprotonconductorsbasedonbalainosub4sub
AT anzhelikagalisheva simultaneousheteroandisovalentdopingasthestrategyforimprovingtransportpropertiesofprotonconductorsbasedonbalainosub4sub
AT irinaanimitsa simultaneousheteroandisovalentdopingasthestrategyforimprovingtransportpropertiesofprotonconductorsbasedonbalainosub4sub
AT kseniabelova simultaneousheteroandisovalentdopingasthestrategyforimprovingtransportpropertiesofprotonconductorsbasedonbalainosub4sub
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