Fig. 9 shows the photocatalytic oxygen production performance
of P25, ST- 21, ST-31, anatase and rutile TiO2 in the silver nitrate
solution, which is a sacrificial agent for capturing the photo-
generated electron to hinder the recombination of photogenerated
carriers. It can be found that the photocatalytic O2-production
activity of TiO2 with mixed crystal structure is higher than the TiO2
of single crystal structure, and the O2-production average rates of
P25 and ST-21 are 83 μmol/h and 80 μmol/h, respectively.
Fig. 9 shows the photocatalytic oxygen production performanceof P25, ST- 21, ST-31, anatase and rutile TiO2 in the silver nitratesolution, which is a sacrificial agent for capturing the photo-generated electron to hinder the recombination of photogeneratedcarriers. It can be found that the photocatalytic O2-productionactivity of TiO2 with mixed crystal structure is higher than the TiO2of single crystal structure, and the O2-production average rates ofP25 and ST-21 are 83 μmol/h and 80 μmol/h, respectively.
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