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Synthesis, Characterization and Application of Cobalt Incorporated Mesoporous KIT-6 for the Visible Light Assisted Degradation of Methylene Blue.

Journal of nanoscience and nanotechnology (2015-12-31)
N S Sanjini, B Winston, S Velmathi
ABSTRACT

Highly ordered mesoporous three dimensional la3d cobalt doped KIT-6 (Co-KIT-6) material was synthesized by the simple impregnation method and characterized by various physicochemical techniques such as X-ray diffraction, N2 adsorption-desorption isotherm, diffuse reflectance spectroscopy, Fourier transform infra-red spectroscopy and scanning electron microscopy. Larger pore diameter tuned with a narrow size distribution was observed for prepared Co-KIT-6. A series of Co-KIT-6 with different weight percentages solutions were prepared and the photocatalytic efficacy of the samples for degradation of methylene blue was studied under UV and visible light using UV-visible spectrophotometer. It was found that the catalytic activity depends on the amount of cobalt incorporated into the material. The complete degradation of dye was observed within 50 min. Different amount of catalyst and reaction time was considered for the optimization studies.

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