Abstract
Nanomaterials For many reactions catalyzed by metal nanoparticles, the more exposed metal atoms on high-index faces can be more active than metal atoms on smooth, low-index faces. Surface ligands can be used to stabilize high-index surfaces, but they can also be hard to remove. Huang et al. report the solid-state synthesis of metal nanoparticles such as platinum and chromium that can form tetrahexahedral nanoparticles with high-index faces. Metals such as bismuth and lead were alloyed with the transition metals at high temperatures and then evaporatively dealloyed during a quench to room temperature. Science , this issue p. [1159][1] [1]: /lookup/doi/10.1126/science.aax5843
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