Bimetallic nanoparticle decorated perovskite oxide for state-of-the-art trifunctional electrocatalysis

Bimetallic nanoparticle decorated perovskite oxide for state-of-the-art trifunctional electrocatalysis

The development of stable ABO 3 type perovskite oxides with trifunctional electrocatalytic activity is an arduous task. Such a feat is achieved by exsolution of the B-site cations to bimetallic nanoparticles (NPs) decorated on the perovskite surface. Sr 0.95 Nb 0.1 Co 0.9− x Ni x O 3− δ (0.1 ≤ x ≤ 0...

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Veröffentlicht in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2019, Vol.7 (33), p.19453-19464
Hauptverfasser: Islam, Quazi Arif, Majee, Rahul, Bhattacharyya, Sayan
Format: Artikel
Sprache:eng
Schlagworte:
Bimetals
Catalytic activity
Cations
Charge transfer
Chemical reduction
Composition
Hybridization
Hydrogen evolution reactions
Nanoparticles
Oxygen
Oxygen evolution reactions
Oxygen reduction reactions
Perovskites
pH effects
Stoichiometry
Vacancies
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Zusammenfassung:The development of stable ABO 3 type perovskite oxides with trifunctional electrocatalytic activity is an arduous task. Such a feat is achieved by exsolution of the B-site cations to bimetallic nanoparticles (NPs) decorated on the perovskite surface. Sr 0.95 Nb 0.1 Co 0.9− x Ni x O 3− δ (0.1 ≤ x ≤ 0.4) was prepared by calcination at 1000 °C and treated under 10% H 2 /N 2 to create
ISSN:2050-7488
2050-7496
DOI:10.1039/c9ta06123a