Oriented Catalytic Platinum Nanoparticles on High Surface Area Strontium Titanate Nanocuboids

Platinum nanoparticles grown on SrTiO3 nanocuboids via atomic layer deposition exhibit cube-on-cube epitaxy with the predicted Winterbottom shape, consistent with literature values of the interfacial and surface free energies. This thermodyamically stable configuration should survive the rigors of c...

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Bibliographic Details
Published in:Nano letters 2011-03, Vol.11 (3), p.993-997
Main Authors: Enterkin, James A, Poeppelmeier, Kenneth R, Marks, Laurence D
Format: Article
Language:English
Subjects:
Catalytic methods
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Methods of nanofabrication
Nanocrystalline materials
Nanoscale materials and structures: fabrication and characterization
Physics
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Summary:Platinum nanoparticles grown on SrTiO3 nanocuboids via atomic layer deposition exhibit cube-on-cube epitaxy with the predicted Winterbottom shape, consistent with literature values of the interfacial and surface free energies. This thermodyamically stable configuration should survive the rigors of catalytic conditions to create stable, high surface area, face-selective catalysts.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl104263j