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Ultrason Sonochem. 2012 Jan;19(1):143-50. doi: 10.1016/j.ultsonch.2011.05.006. Epub 2011 May 19.

Sonocatalytic degradation of Rhodamine B in the presence of C60 and CdS coupled TiO2 particles.

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Department of Advanced Materials & Science Engineering, Hanseo University, Seosan-si, Republic of Korea.


CdS-TiO2 and CdS-C60/TiO2 were prepared using C60, cadmium acetate dehydrate [(CH3COO)2Cd·2H2O], sodium sulfide (Na2S·5H2O) and titanium (IV) n-butoxide by a sol-gel method. The prepared sonocatalysts were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray (EDX) and transmission electron microscopy (TEM). A rhodamine B (RhB) solution under ultrasonic irradiation was used to determine the catalytic activity. Excellent catalytic degradation of an RhB solution was observed using the CdS-C60/TiO2 composites under ultrasonic irradiation. C60 coupled CdS-TiO2 can enhance the Brunauer-Emmett-Teller (BET) surface area and increase the decolorization rate for rhodamine B solution. The results also shows that increase the content of CdS can enhance the catalytic activity.

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