AI Article Synopsis
- Researchers created quinary nanoparticles made from platinum-group metals (Ru, Rh, Pd, Ir, Pt) with compositions that are almost equal but slightly varied.
- The study found that the lattice constant of these nanoparticles changed in a straight line as their composition varied, while the electronic d-band center changed in a more complex, nonlinear way.
- Interestingly, the ability of these nanoparticles to catalyze the hydrogen evolution reaction did not show a direct relationship with their d-band center.
Article Abstract
Platinum-group-metal quinary RuRhPdIrPt alloy nanoparticles were synthesised with compositions slightly away from equimolar, and their crystal and electronic structures were investigated. Their lattice constant changed linearly with composition, while the d-band centre changed nonlinearly. Their catalytic activities for the hydrogen evolution reaction were not correlated with their d-band centre.
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| http://dx.doi.org/10.1039/d2cc01866g | DOI Listing |
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