Composition Activity notes
𝐸
g
(eV)Ref. rutile Ishihara Sangyo PT-101 No photodecomposition of 2-propanol or methylene blue above 450 nm 3.03 [140 ] 1.6 wt% S substitutes for Ti, calcined 700 C 2.94 [140 ] 1.6 wt% S substitutes for Ti, calcined 600 C 2.31 [140 ] 1.6 wt% S substitutes for Ti, calcined 500 C Photodecomposition of 2-propanol and methylene blue above 450 nm 2.20 [140 ] FLAPW undoped 2.34 [140 ] FLAPW S-doped 0.975 [140 ] Undoped 1.9 [101 ] Si substituting for Ti 1.625 [101 ] S-doped rutile TiO2 Photoreduction of water above 390 nm with sacrificial electron donor. 2.34 [120 ] N-doped rutile TiO2 Photoreduction of water above 390 nm with sacrificial electron donor 2.94 [120 ] C-doped rutile TiO2 , 1st onset 2.32 [7 ] C-doped rutile TiO2 , 2nd onset 2.82 [7 ] (1.83) Undoped 3.05 a B substituting for O 1.42 a (1.27) C substituting for O, 1st onset 2.36 a (1.57) C substituting for O, 2nd onset 2.73 a N substituting for O 2.5 a B interstitial, N substituting for O 2.62 a Ga substituting for O 0.5–0.9 a Anatase Undoped No photodecomposition of acetaldehyde above 400 nm 3.21 [141 ] 0.05Co/TiO2 Photodecomposition of acetaldehyde above 400 nm 3.06 [141 ] 0.27Co/TiO2 3.06 [141 ] 1.8Co/TiO2 (weak onset ca 775–800 nm) 3.06 [141 ] 2 wt% Pt substituting for Ti 2.74 [142 ] 1 wt% Pt substituting for Ti 2.77 [142 ] 0.5 wt% Pt substituting for Ti 2.77 [142 ] 0.2 wt% Pt substituting for Ti Photodegradation of dichloroacetate under visible light 2.86 [142 ] 0 wt% Pt substituting for Ti No photodegradation of dichloroacetate under visible light 2.91 [142 ] 0% Sb No photodegradation of methylene blue 2.84 [127 ] 1% Sb 97.6% photodegradation of methylene blue 2.08 [127 ] 5% Sb 98.8% photodegradation of methylene blue 1.91 [127 ] 1% Sb by organic solvent preparation 1.97 [127 ] TiO2 5% photodegradation of methylene blue after 3 hours 3.17 [125 ] N-doped and calcined at 400 C 38% photodegradation of methylene blue after 3 hours 2.26 [125 ] N-doped and calcined at 500 C 35% photodegradation of methylene blue after 3 hours 2.26 [125 ] N-doped and calcined at 600 C (some rutile) 32% photodegradation of methylene blue after 3 hours 2.31 [125 ] N-doped and calcined at 700 C (predominantly rutile) 26% photodegradation of methylene blue after 3 hours 2.91 [125 ] Prepared from Ti/thiourea mole ratio 1 : 0 3.20 [143 ] Prepared from Ti/thiourea mole ratio 1 : 3 Degradation of toulene under vis light relative to Degussa P25 [144 ] :
∼
12 2.67 [143 ] Prepared from Ti/thiourea mole ratio 1 : 2 Degradation of toulene under vis light relative to Degussa P25 :
∼
15 2.88 [143 ] Prepared from Ti/thiourea mole ratio 1 : 1 Degradation of toulene under vis light relative to Degussa P25 :
∼
10 3 [143 ] Prepared from Ti/thiourea mole ratio 1 : 0 Degradation of toulene under vis light relative to Degussa P25 :
∼
1 3.19 [143 ] TiO2 3.2 [145 ] TiO2
+
45
0
∘
C treatment (anatase and rutile) 3.33 [145 ] TiO2 /Cr (amorphous) 2.2 [145 ] TiO2 /Cr
+
45
0
∘
C treatment (anatase and “a little rutile”) 2.54 [145 ] TiO2 (anatase with a little brookite) Photocatalytic rate constant 0.003 3.22 [122 ] N-doped (anatase with a little brookite) Photocatalytic rate constant 0.019 2.90 [122 ] N
+
Eu-doped (anatase with a little brookite) Photocatalytic rate constant 0.025 2.85 [122 ] Hint of second onset in N
+
Eu-doped (anatase with a little brookite) Photocatalytic rate constant 0.025 2.05 [122 ] Undoped 80% pesticide remaining after 2.5 hours irradiation 3.12 [146 ] 0.04% Mo substituting for Ti 35% pesticide remaining after 2.5 hours irradiation 2.81 [146 ] 0.06% Mo substituting for Ti 25% pesticide remaining after 2.5 hours irradiation 2.58 [146 ] 0.1% Mo substituting for Ti 35% pesticide remaining after 2.5 hours irradiation 2.75 [146 ] Undoped 5% photodegradation of methylene blue after 2 hours 3.45 [121 ] 5 at% N 98% photodegradation of methylene blue after 2 hours 2.75 [121 ] Undoped Negligible decomposition of 4-chlorophenol under irradiation 2.95 [123 ] N-doped 2.9 [123 ] I-doped Decomposition of 4-chlorophenol under irradiation 1.4–2.2 [123 ] Undoped 3.2 [124 ] 1.6 at% N 2.25 [124 ] 1.6 at% N second onset possibly from O vacancies.
∼
1.6[124 ] Undoped Negligible of photooxidation of acetone under irradiation 3.00 [147 ] I-doped Photooxidation of acetone under irradiation 2.36 [147 ] Undoped Photodegradation of malachite green rate 0.005 3.17 [148 ] Sn-doped Photodegradation of malachite green rate 0.0175 2.55 [148 ] S-doped anatase TiO2 Photoreduction of water above 390 nm with sacrificial electron donor 2.28 [120 ] N-doped anatase TiO2 Photoreduction of water above 390 nm with sacrificial electron donor 2.58 [120 ] Degussa P25 Relative degradation rate of acetaldehyde 0.213 3.16 [128 ] Degussa P25 hint of second onset, presumably from rutile component Relative degradation rate of acetaldehyde 0.213 2.94 [128 ] Undoped 3.01 [128 ] C-doped relative degradation rate of acetaldehyde 1.74 2.18 [128 ] Ti
N
x
O
y
F
z
calc. 1.8 [99 ] Ti
N
x
O
y
F
z
expt. 2.32 [99 ] TiO2 calc.. 2.14 [99 ] TiO2 expt. 3.26 [99 ] undoped 1.95 [102 ] N substitutional 1.83 [102 ] NH substitutional 1.83 [102 ] N interstitial 2.09 [102 ] NH interstitial 1.88 [102 ] N-doped by laser deposition in Nitrogen atmosphere Degradation of methyl orange and methylene blue 1.0 [96 ] N-doped by laser deposition in Nitrogen atmosphere Degradation of methyl orange and methylene blue 2.5 [149 ]