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Abstract
Cd0.5Zn0.5S solid solutions were prepared by hydrothermal method and co‐precipitation method. The synthesized materials were characterized by means of X‐ray diffraction (XRD), transmission electron microscopy (TEM), Brunauer–Emmett–Teller (BET) surface area measurement and ultraviolet–visible diffuse reflectance spectra (UV–Vis DRS). The photocatalytic activity was tested in the reaction of hydrogen evolution from aqueous solutions of glycerol under visible light irradiation (λ ≥ 420 nm). Zn0.5Cd0.5S‐G prepared by co‐precipitation method with glycerol as solvent exhibits higher photocatalytic activity. This can be due to Zn0.5Cd0.5S‐G possessing higher surface area, which is beneficial to the adsorption of electron donor on catalyst surface. Glycerol improves notably photocatalytic hydrogen evolution with its simultaneous degradation. The possible mechanism of photocatalytic reaction for hydrogen evolution with simultaneous glycerol degradation was discussed preliminary. © 2015 American Institute of Chemical Engineers Environ Prog, 35: 141–148, 2016
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