Characterization and Thermal Stability Properties of Bulk Hierarchical Porous Pd Prepared by Kirkendall Effect and Dealloying Method

Figure 1

XRD patterns of (a) porous PdAl intermetallic and their as-dealloyed sample after being eroded in different concentration of HCl solutions. (b) 0.1 M HCl, 10 d; (c) 0.5 M HCl, 10 d.