Fabrication of core–shell AuNP@UIO-66/Au nanoparticles for in situ SERS monitoring of the degradation process

Core–shell structure AuNP@UIO-66/Au nanoparticles were fabricated, consisting of a 50 nm AuNP core, a UIO-66(Zr) shell, and a 4 nm AuNP layer on the shell.