Both commercial and home prepared (HP) TiO2 samples have been tested for the photocatalytic reduction of CO2. (HP) TiO2powders were prepared by using TiCl4 or Ti(OC4H9)4 as the precursors to obtain HP1 and HP2 samples, respectively. Also HP Cu-loadedand SiO2 supported TiO2 powders were prepared. The HP samples were more active than the commercial ones for the photoreduction ofCO2 with and without water vapour. HP1 produced mainly formaldehyde, HP2 principally methane. Acetaldehyde was found to be theprimary product obtained when HP1 was supported on SiO2. The addition of Cu increased the photocatalytic reactivity either of bulk andSiO2-supported HP1. In particular, 1 wt % of Cu improved the formaldehyde yield obtained with the bare HP1 by one order of magnitude.Differently, the presence of Cu or SiO2 in the HP2 samples markedly reduced the production of methane.
|Numero di pagine||9|
|Rivista||Current Organic Chemistry|
|Stato di pubblicazione||Published - 2013|
All Science Journal Classification (ASJC) codes