Figure 11
From: Surface modification of layered perovskite Sr2TiO4 for improved CO2 photoreduction with H2O to CH4

XPS spectra of catalysts; (a) Sr 3d spectra, (b) Ti 2p spectra, and (c) O 1s spectra.
From: Surface modification of layered perovskite Sr2TiO4 for improved CO2 photoreduction with H2O to CH4

XPS spectra of catalysts; (a) Sr 3d spectra, (b) Ti 2p spectra, and (c) O 1s spectra.