s:723:"%T Solvothermal synthesis of CdS–graphene composites by varying the Cd/S ratio 
%A Lei, Y. 
%A Xu, J. 
%A Li, R. 
%A Chen, F. 
%X Graphite oxide was prepared by Hummers method and treated by ultrasonic waves to obtain graphene oxide. CdS–graphene composites were successfully synthesized via a one-step solvothermal method with different Cd/S ratios, with cadmium acetate as cadmium source, thiourea as sulfur source and ethylene glycol as reaction solvent and characterized by X-ray diffraction, scanning electron microscopy and UV–vis absorption spectra. The photoelectric characteristics of CdS–graphene composites were evaluated by transient photocurrent response and three-electrode cyclic voltammetry. 
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