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The effect of water on the adsorption of formic acid on the anatase (101) surface of TiO 2 was investigated with density functional theory. These calculations showed that water co-adsorbed with formic acid promotes O–H bond dissociation to produce formate ions, but that the details of this chemistry depend on the surface coverage of formic acid. For 1/4 monolayer (ML) formic acid coverage,...
The effect of water on the adsorption and photocatalytic decomposition (PCD) of formic acid on TiO 2 and Pt/TiO 2 was investigated using transient reaction studies, temperature-programmed desorption (TPD), and Fourier transform infrared (FTIR) spectroscopy. Reaction studies indicated that physisorbed water increased the PCD rate of formic acid to a small extent on TiO 2 and...
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