AuCu@Pt Nanoalloys for Catalytic Application in Reduction of 4-Nitrophenol

Table 2

Comparison of rate constants of 4-nitrophenol reduction process in the presence of AuNSs, AuCuNSs, and AuCu@PtNSs at different temperatures.

Sample code	Rate constant (min^−1)
	25°C	30°C	35°C	40°C
AuNSs	0.009 ± 0.0001	0.019 ± 0.0001	0.04 ± 0.002	0.07 ± 0.0002
AuCuNSs	0.013 ± 0.0001	0.027 ± 0.0002	0.05 ± 0.001	0.095 ± 0.0001
AuCu@PtNSs	0.039 ± 0.0002	0.05 ± 0.0009	0.59 ± 0.008	0.099 ± 0.0003