Abstract
Copper-CXHY composites were elaborated by RF magnetron sputtering of a pure copper target in a reactive gas mixture of argon (Ar) and cyclohexane. Some structural and optical characterization have been performed revealing the presence of nanometric Cu/Cu2O/CuO particles embedded into a disordered hydrogenated carbon matrix. The optical measurements have shown the properties of a semiconductor material with an indirect gap and a direct transition in the visible range. Catalytic effect of the copper-CXHY composites has been tested by monitoring the degradation of a dye (the indigo carmine) in a water solution induced by the light.
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