Abstract
A nanoporous PtFe (np-PtFe) alloy composed of a single face-centered-cubic FePt phase has been fabricated by electrochemically dealloying an amorphous Fe60Pt10B30alloy in 0.1 mol L−1 H2SO4solution. The np-PtFe alloy possesses a fine bicontinuous ligament/channel structure with average ligament and pore sizes of about 7 and 5 nm, respectively. The np-PtFe alloy exhibits superior electrocatalytic activity for methanol oxidation reaction in the acid media to the commercial Johnson Matthey Pt/C catalyst and soft magnetic characteristics with a saturation magnetization of 19.09 emu/g.
Original language | English |
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Pages (from-to) | 215-219 |
Number of pages | 5 |
Journal | Journal of Alloys and Compounds |
Volume | 706 |
DOIs | |
Publication status | Published - 2017 |
Keywords
- Amorphous alloy
- Dealloying
- Electrocatalysis
- Nanoporous metals
- Pt-Fe alloy
ASJC Scopus subject areas
- Mechanics of Materials
- Mechanical Engineering
- Metals and Alloys
- Materials Chemistry