International Journal of Photoenergy / 2013 / Article / Tab 1

Research Article

TiO2 and ZnO Nanoparticles in Photocatalytic and Hygienic Coatings

Table 1

Characteristics of photocatalytic oxides.

Photocatalytic oxideZnOTiO2 ITiO2 IITiO2 III

AppearanceFine white powderFine white powderFine white powderFine white powder
Crystal formZinciteAnataseAnataseAnatase
Crystal size (nm)30–40550–6004010
Specific surface area, BET (m2/g)25–351020–30300
ZnO or TiO2 content (%)99,59897,599

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