Controllable synthesis of CuS–P(AM-co-MAA) composite microspheres with patterned surface structures

Copper sulfide–poly(acrylamide-co-methacrylic acid) (CuS–P(AM-co-MAA)) composite microspheres with patterned surface structures have been synthesized in a controllable manner by means of the polymer microgel template method. The formation of CuS particles can be regulated by controlling the decomposition of thioacetamide (TAA) in acidic solution. Compared with the microgel template, the surface morphologies of the composite microspheres are characterized by compact and creased textures. The surface morphology of the composite microspheres has been found to be mainly influenced by the amount of copper sulfide precipitated and hence by the rate of H2S gas generation. This study might provide a potential route for controlling the synthesis of various metal sulfide–polymer composites with patterned surface structures.

Graphical abstractCuS–P(AM-co-MAA) composite microspheres with patterned surface structures have been synthesized in a controllable manner by means of the polymer microgel template technique.Figure optionsDownload full-size imageDownload as PowerPoint slide