Electroless Pt Deposition on Mn3O4 Nanoparticles via the Galvanic Replacement Process
SCIE
SCOPUS
- Title
- Electroless Pt Deposition on Mn3O4 Nanoparticles via the Galvanic Replacement Process
- Authors
- Ki Woong Kim; Soo Min Kim; Suhee Choi; Jongwon Kim; Lee, IS
- Date Issued
- 2012-06
- Publisher
- ACS
- Abstract
- A novel electroless Pt deposition method was exploited by employing the galvanic replacement process occurring between the Mn3O4 surface and PtCl4(2-) complexes. The newly discovered process provides a simple protocol to produce the catalytic nanocomposite, in which a high density of ultrafine Pt nanocrystals is stably immobilized in a homogeneously dispersive state on the surface of Mn3O4 nanoparticles. When the eletrocatalytic activity was tested for the oxygen reduction reaction, which limits the rate of the overall process in proton-exchange membrane fuel cells, the resulting Pt/Mn3O4 nanocomposite showed highly enhanced specific activity and durability, compared with those of the commercial Pt/C catalyst.
- Keywords
- nanoparticles; manganese; platinum; electroless deposition; electrocatalysis; MANGANESE OXIDE NANOPARTICLES; MEMBRANE FUEL-CELLS; METAL NANOPARTICLES; SELECTIVE GROWTH; CO OXIDATION; ACTIVE GOLD; CATALYSTS; NANOCRYSTALS; PLATINUM; TRANSFORMATION
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/16037
- DOI
- 10.1021/NN300782M
- ISSN
- 1936-0851
- Article Type
- Article
- Citation
- ACS NANO, vol. 6, no. 6, page. 5122 - 5129, 2012-06
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- There are no files associated with this item.
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