As observed from the Nyquist plots, the Nyquist semicircle diameters, representing the charge transfer resistance ( R ct ), show a decreasing trend from C 60 /Pt(dba) 2 /KB (67.8 Ω) to 20 wt% Pt/C (51.5 Ω) to Pt/C 60 -2/KB (45 Ω), consistent with the LSV results (Fig. 5a ).
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Single-atomic platinum on fullerene C<sub>60</sub> surfaces for accelerated alkaline hydrogen evolution.
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