Direct galvanic replacement of surface Cu with Au in PtCu nanodendrites is applied to synthesize an Au-modified PtCu nanodendrite catalyst (PtCu-Au), which shows both superior stability and excellent activity for the methanol oxidation reaction (MOR) and oxygen reduction reaction (ORR). The PtCu-Au catalyst only lost 7% of its MOR activity and its ORR half-wave potential decreased 8 mV after 10 000 potential cycles.
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| http://dx.doi.org/10.1039/d3cc00050h | DOI Listing |
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