Fig. 4From: Sol-gel Synthesis, Photo- and Electrocatalytic Properties of Mesoporous TiO2 Modified with Transition Metal IonsQuantum yield of photocurrent of 1% Mn+/TiO2 electrodes: TiO2 (1), Co/TiO2 (2), Ni/TiO2 (3), Mn/TiO2 (4), and Cu/TiO2 (5)Back to article page