Synthesis of Graphene-ZnS Nanosheets Composite by Layer-by-Layer Self-Assembly and Hydrothermal Homogeneous Precipitation Method

A facile and efficient strategy for the synthesis of graphene-ZnS nanosheets composite (G-ZnS) is demonstrated for the first time. Firstly, functional graphite oxide (GO) was fabricated by the layer-by-layer (LBL) self-assembly of poly (diallyl dimethyl ammonium) chloride (PDDA) and poly (styrene sulfonic acid) sodium salt (PSS) in proper order. Then, the functional GO dispersed in the water-Tween 20 system as substrate material, in which Tween 20 (polyoxyethylene sorbitol anhydride monolaurate) acts as growth template. Subsequently, G-ZnS nanosheets composite was obtained via hydrothermal homogeneous precipitation.