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Table 1 Photoelectrochemical characterization of M/TiO2 films (M–Co, Ni, Mn, Cu)

From: Sol-gel Synthesis, Photo- and Electrocatalytic Properties of Mesoporous TiO2 Modified with Transition Metal Ions

Sample Efb (eV) vs NHE Quantum yield of photocurrent η (a.u.) Eg (eV) E1/2 (V)
TiO2 −0.42 1 3.09 −0.58
1% Ni/TiO2 −0.42 1.66 3.07 −0.46
5% Ni/TiO2 −0.45 1.14 2.95 −0.76
1% Co/TiO2 −0.36 1.07 3.07 −0.52
5% Co/TiO2 −0.80 0.28 2.97 −0.67
1% Mn/TiO2 −0.48 2.80 3.08 −0.52
5% Mn/TiO2 −0.40 0.93 2.88 −0.6
1% Cu/TiO2 −0.30 1.03 3.08 −0.55
5% Cu/TiO2 −0.15 1.14 3.07 −0.78
30% Cu/TiO2 −0.10 0.94 2.99