Preparation of a nanoporous Cu-Ag solid solution with enhanced sono-Fenton-like catalytic activity.

ABSTRACT: Uniform 3D bi-continuous nanoporous Cu-Ag solid solution (NPCS) and nanoporous copper (NPC) were successfully synthesized by dealloying Cu₇₀Y₂₈Ag₂ and Cu₇₂Y₂₈ metallic glasses, respectively, which was confirmed by using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The SEM and TEM images show that the ligament size of NPCS (d _SEM = 65 nm, d _TEM = 45 nm) is much smaller than that of NPC (d _SEM = 402 nm, d _TEM = 370 nm), which reveals that the ligaments of NPC can be significantly refined by the substitution of 2 at% Ag for Cu in the amorphous precursor. The obtained NPC

SUBMITTER: Wang N 

PROVIDER: S-EPMC9065753 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature