Strong metal-support interaction improves activity and stability of Pt electrocatalysts on doped metal oxides

Niobium and antimony doped tin oxide loose-tubes decorated with Pt nanoparticles present outstanding mass activity and stability, exceeding those of a reference carbon-based electrocatalyst. Physico-chemical characterisation and in particular X-ray photoelectron spectroscopy demonstrate that this ob...

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Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2018, Vol.20 (13), p.8765-8772
Main Authors: Jiménez-Morales, Ignacio, Cavaliere, Sara, Jones, Deborah, Rozière, Jacques
Format: Article
Language:English
Subjects:
Anchoring
Antimony
Chemical Sciences
Electroactivity
Electrocatalysts
Metal oxides
Niobium
Platinum
Stability
Tin oxides
Tubes
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Summary:Niobium and antimony doped tin oxide loose-tubes decorated with Pt nanoparticles present outstanding mass activity and stability, exceeding those of a reference carbon-based electrocatalyst. Physico-chemical characterisation and in particular X-ray photoelectron spectroscopy demonstrate that this observation can be ascribed to the strong metal-support interaction promoting electroactivity and Pt anchoring on doped metal oxide supports.
ISSN:1463-9076
1463-9084
DOI:10.1039/c8cp00176f