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Dodecahedral Au@Pd nanocrystals with high-index facets and excellent electrocatalytic activity and highly efficient surface-enhanced Raman scattering enhancement.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Zhang, Lin-Fei Zhang, Chun-Yang |
| Copyright Year | 2013 |
| Abstract | We synthesize the three-fold symmetric shield-like Au@Pd core-shell nanocrystals, enclosed predominantly by high-index {541} facets with kinks, through the simultaneous reduction of Au and Pd ions in the presence of triangular Au nanocrystal seeds in aqueous solution at room-temperature. The obtained shield-like Au@Pd core-shell nanocrystals exhibit superior electrocatalytic activity for the oxidation of ethanol and unique near-field enhancement property with a highly sensitive surface-enhanced Raman scattering (SERS) response. These excellent properties can be ascribed to the presence of sharp corners and edges as well as high-index faceted Pd-rich shell in the shield-like Au@Pd core-shell structure. We also investigate the mechanism for the formation of three-fold symmetric shield-like Au@Pd core-shell nanocrystals. |
| File Format | PDF HTM / HTML |
| DOI | 10.1039/c3nr00695f |
| PubMed reference number | 23719781 |
| Journal | Medline |
| Volume Number | 5 |
| Issue Number | 13 |
| Alternate Webpage(s) | http://www.rsc.org/suppdata/nr/c3/c3nr00695f/c3nr00695f.pdf |
| Alternate Webpage(s) | https://doi.org/10.1039/c3nr00695f |
| Journal | Nanoscale |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
