Fig. 6: Fs-TA spectra.
From: Coupling photocatalytic CO2 reduction and CH3OH oxidation for selective dimethoxymethane production

a BTO, (b) Ag-BTO, (c) W-BTO, and (d) Ag.W-BTO at 350 nm. e The normalized TA kinetics of BTO, Ag-BTO, W-BTO, and Ag.W-BTO, respectively. f A scheme for the charge-transfer process of Ag.W-BTO. ΔA(mOD) represents the change absorbance in milli-optical density.