Noticeably, with the increase in Pt loading, the overpotentials of Pt-MXene samples first exhibit a decreasing trend and then increase (46.5, 44, 42, 37.8, 32.8, and 53 mV for Pt-MXene-2.5, 5, 7.5, 10, 12.5, and 15, respectively), which indicates the Pt-MXene-12.5 sample has the optimal Pt loading for HER.
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Transition Metal Carbonitride MXenes Anchored with Pt Sub-Nanometer Clusters to Achieve High-Performance Hydrogen Evolution Reaction at All pH Range.
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