fig3
From: Fabrication of MOF-derived porous Au@Co-ZnO nanostructures with excellent C2H5OH sensing performance
Figure 3. XPS spectra of Au@Co-ZnO nanostructure and high-resolution spectra of O 1s of different samples. A: full spectrum of Au@Co-ZnO; B: high-resolution spectra of Zn 2p of Au@Co-ZnO; C: high-resolution spectra of Co 2p of Au@Co-ZnO; D: high-resolution spectra of Au 4f of Au@Co-ZnO; E: high-resolution spectra of O 1s of Au@Co-ZnO; F: high-resolution spectra of O 1s of Co-ZnO; G: high-resolution spectra of O 1s of ZnO. XPS: X-ray photoelectron spectroscopy.
