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Ultrathin PtCu metallene with sandwich structure for ethanol electrooxidation
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DOI：10.1016/j.apcatb.2026.126913.png)
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Abstract
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• A CO-assisted strategy with Cu-induced adsorption preference modulation enables the formation of ultrathin 2D PtCu metallene. • The PtCu metallene with three-atomic-layer thickness delivers an ultralow onset potential for EOR. • An outstanding EOR mass activity of 2214 mA mgPt−1 at −0.7 V is achieved, which is 5.1-fold higher than commercial Pt black. • The PtCu metallene facilitates C−C bond breaking and favors the C1 route, promoting deeper oxidation of ethanol.
Keywords:
PtCu metallene
ethanol electrooxidation
ultrathin 2D structure
C−C bond breaking
mass activity
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