One-Pot Synthesis of Hierarchical Flower-Like Pd-Cu Alloy Support on Graphene Towards Ethanol Oxidation

Table 1 Peak current densities of various catalysts in 0.5 M NaOH + 0.5 M C₂H₅OH at a sweep rate of 50 mV s^− 1, 25 °C

Catalyst	I/mA mg^− 1 Pd				Final current/initial current
Catalyst	10 s	1000 s	2000 s	3000 s	Final current/initial current
Pd-Cu_(F)/RGO	441.25	250.75	195.63	146.94	0.33
Pd-Cu_(P)/RGO	387.52	192.67	115.74	79.10	0.20
Pd/RGO	393.54	138.62	79.00	54.13	0.14
Pd black	213.93	51.03	26.76	20.68	0.10