Abstract
The Cu2+doped porous CdIn2S4 microspheres (Cu@CdIn2S4) with better photocatalytic performance were prepared by sodium dodecyl sulphate (SDS)-assisted hydrothermal technology. The Cu@CdIn2S4 were characterized by SEM, XPS, XRD and DRS. The effects of Cu2+ doping amount on the morphology, structure and photocatalytic hydrogen production performance of CdIn2S4 were studied. The porous Cu@CdIn2S4 microspheres were flower shape of a average diameter of 3-5 μm and their maximum absorption edge was up to 700 nm. The Cu2+ doping was good for the improvement of photocatalytic performance. Cu@CdIn2S4 with 0.3wt% Cu2+doping amount possessed the highest hydrogen production rate of 1248.1 μmol/(h·g), much more than that of pure CdIn2S4.
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