The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.
Controlled Synthesis of Pd–Pt Alloy Hollow Nanostructures with Enhanced Catalytic Activities for Oxygen Reduction
Abstract
Pd-Pt alloy nanocrystals (NCs) with hollow structures such as nanocages with porous walls and dendritic hollow structures and Pd@Pt core-shell dendritic NCs could be selectively synthesized by a galvanic replacement method with uniform Pd octahedral and cubic NCs as sacrificial templates. Fine control over the degree of galvanic replacement of Pd with Pt allowed the production of Pd-Pt NCs with distinctly different morphologies. The synthesized hollow NCs exhibited considerably enhanced oxygen reduction activities compared to those of Pd@Pt core-shell NCs and a commercial Pt/C catalyst, and their electrocatalytic activities were highly dependent on their morphologies. The Pd-Pt nanocages prepared from octahedral Pd NC templates exhibited the largest improvement in catalytic performance. We expect that the present work will provide a promising strategy for the development of efficient oxygen reduction electrocatalysts and can also be extended to the preparation of other hybrid or hetero-nanostructures with desirable morphologies and functions.
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Metadata
- Authors
- Hong, J. W., Kang, S. W., Choi, B.-S., Kim, D., Lee, S. B., & Han, S. W.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-02-29
- Volume
- 6
- Issue
- 3
- Pages
- 2410-2419
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2329126260
- Cited by
- 367
- References
- 49
- FWCI
- 17.01
- Type
- journal article
- Language
- en
- Open access
- closed
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