Abstract
Nano CuS/MoS2 composite catalysts were fabricated by chemically dealloying amorphous Ti30Cu70−xMox (x = 1, 2, 3 at.%) ribbons in acid solution. The composite catalysts presented as globular clusters composed of a large number of intersecting 20–40 nm-thick nanosheets, which was attributed to laminated materials aggregating on the surface of the product during dealloying. Compared with other alloy compositions, when x = 3, the dealloying product exhibited excellent photocatalytic activity and cycling stability for the degradation of methylene blue. These characteristics are mainly due to the large specific surface (∼31.12 m2 g−1) of the product and low recombination of photogenerated electrons and holes on its surface.
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