Abstract
The photocatalytic H 2 production efficiency of a multi-component system, containing [Ir(ppy) 2(bpy)] + as photosensitizer, [Co(bpy) 3] 2+ as H 2-evolving catalyst, and triethanolamine (TEOA) as sacrificial electron donor, was investigated in water/acetonitrile (8:2, v/v) solution in the presence of different kinds of surfactants, such as cetyl trimethyl ammonium bromide (CTAB), Triton X-100, and sodium lauryl sulfonate (NaLS). The H 2 evolution rate is found to follow the order of cationic micellar media > nonionic micellar media > anionic micellar media > water/acetonitrile solution. The underlying mechanism was discussed.
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