Fig. 3: Fourier transform infrared spectra of CO2 adsorption.
From: Enhanced CO evolution for photocatalytic conversion of CO2 by H2O over Ca modified Ga2O3
CO2 adsorbed on: a Ga2O3, b Ga2O3_Ca_1.1, c CaO, d Ga2O3_Ca_3.3, and e CaGa4O7 after introducing ~0.2 Torr of CO2.
