Review Article

An Overview on the Photocatalytic Activity of Nano-Doped-TiO𝟐 in the Degradation of Organic Pollutants

Table 4

Properties of codoped-TiO2 catalysts under various conditions.

Type of dopants used(x,y)Optimum molar ratio of the dopants (Mx : My)Codoped TiO2 preparation methodStarting material of TiO2Starting material of co-dopantsParticle size (nm)PhaseBET surface area (m2/g)Reference

F, N1.00Sol gelTTIPNH4F, NH4ClAnatase102.00[74]
Sm, N1.50CoprecipitationTi(SO4)2Sm(NO3)3, NH38.80Anatase/Rutile170.00[96]
Fe, Nb0.12Sol gelTTIPFe(NO3)3•9H2O, C4NH4NbO9•10H2O10.00Anatase120.20[97]
W, N1.60HydrolysisTiCl4(NH4)2WO411.00Anatase80.00[98]
B, Fe3.00Sol gelTi(OBu)4H3BO3, Fe(acac)312.00Anatase60.00[99]
N, S1.00HydrolysisTi(SO4)2NH3•H2O, Ti(SO4)238.20Anatase56.10[100]
S, I1.00Sol gelTIPThiourea, HIO38.80Anatase85.00[101]
N, S33.33HydrothermalTi(SO4)2CH4N2S, Ti(SO4)216.20Anatase[102]
Cu, S2.00Sol gelTIPCuCl2•2H2O, Thiourea8.00Anatase[103]
F, N1.00Sol gelTiCl4NH4F11.90Anatase160.70[104]
Pt, Cu12.50ImpregnationTitanium TetraisobutyloxideH2PtCl6, Cu(NO3)28.90Anatase105.90[105]
Fe, C0.57Sol gel/SolvothermalTetrabutyl titanateFe(NO3)3•9H2O10.80Anatase158.00[106]
Pt, N0.02Sol gelTTIPH2PtCl6, NH2CONH25.00Anatase72.50[107]
Cr, W2.00PyrolysisTi2(C2O4)3•10H2O(NH4)2Cr2O7, Dimethylammonium tungstate30.00Anatase60.00[108]