2021
DOI: 10.1021/acsami.1c05743
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Modifying Metastable Sr1–xBO3−δ (B = Nb, Ta, and Mo) Perovskites for Electrode Materials

Abstract: The presence of surface/deep defects in 4d- and 5d-perovskite oxide (ABO 3 , B = Nb, Ta, Mo, etc.) nanoparticles (NPs), originating from multivalent B-site cations, contributes to suppressing their metallic properties. These defect states can be removed using a H 2 /Ar thermal treatment, enabling the recovery of their electronic properties (i.e., low electrical resistivity, high carrier concentration, etc.) as expected from their electronic structure. Therefore, to… Show more

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Cited by 3 publications
(1 citation statement)
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“…A number of perovskite materials have been investigated as potential candidates for applications of OER/ORR. , Perovskite ABO 3 oxides, consisting of the larger A-site cations and smaller B-site cations, possess large compatibility for the mismatches of the ionic radius sizes between A and B-site cations. As most of the B-site ions are transition metal ions (Co, Ni, Fe), the large number of enriched ions could provide a strong catalytic performance and hence enhance ORR kinetic processes. La 0.8 Sr 0.2 MnO 3 (LSM) is the most widely studied single perovskite material for ORR .…”
Section: Introductionmentioning
confidence: 99%
“…A number of perovskite materials have been investigated as potential candidates for applications of OER/ORR. , Perovskite ABO 3 oxides, consisting of the larger A-site cations and smaller B-site cations, possess large compatibility for the mismatches of the ionic radius sizes between A and B-site cations. As most of the B-site ions are transition metal ions (Co, Ni, Fe), the large number of enriched ions could provide a strong catalytic performance and hence enhance ORR kinetic processes. La 0.8 Sr 0.2 MnO 3 (LSM) is the most widely studied single perovskite material for ORR .…”
Section: Introductionmentioning
confidence: 99%