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- Title
Polyhedral Au-Pd Core-Shell Nanocrystals as Highly Spectrally Responsive and Reusable Hydrogen Sensors in Aqueous Solution.
- Authors
Chiu, Chun‐Ya; Huang, Michael H.
- Abstract
Absorption signals absorption: The surface plasmon resonance absorption band of tetrahexahedral, octahedral, and cubic Au–Pd core–shell nanocrystals with gold nanocrystal cores was strongly red shifted upon hydrogen absorption into the Pd shell. This reversible spectral shift makes the nanocrystals promising recyclable hydrogen‐gas sensors. Hydrogen absorption could even be detected visually with smaller core–shell octahedra (see picture).
- Subjects
GOLD; PALLADIUM; OCTAHEDRAL molecules; HYDROGEN spectra; NANOCRYSTALS; STRAIN theory (Chemistry); MORPHOLOGY
- Publication
Angewandte Chemie International Edition, 2013, Vol 52, Issue 48, p12709
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201306363