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Formation of Nanoporous Silver by Dealloying Ag22Zn78 Alloy at Low Temperature in H2SO4

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Figure

Figure 1. Polarization curve of Ag22Zn78 alloy in 0.1M H2SO4 at room temperature(25°C) and 2°C, Scan rate 2 mV/s
Figure 2.  SEM morphology of the nanoporous silver obtained by dealloying Ag22Zn78 at 0.4V in 0.1M H2SO4 for different time at the temperature of 2°C
Figure 3.  Evolution of the nanopore formation with the dealloying time. (a) Correlation between pore size vs time and Zn composition as a function of dealloying time at temperature 2°C
Figure 4.  (a) XRD patterns of the alloy before and after dealloying for different time, (b) EDX spectra showing the composition of the sample that dealloyed for one hour

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