Abstract

Cubic phase ZnS nanoparticles of several nanometers were synthesized directly via the liquid–solid reaction between zinc acetate and thiourea in air at 190 °C for 3 h. The structure, composition and optical property of the resultant product were characterized by means of X-ray powder diffraction (XRD), field emission scanning electron microscope (FESEM), energy dispersive X-ray spectrum (EDX), Raman and UV–vis absorption spectra. The proposed method has also been successfully extended to synthesize MnS, CuS, CdS, PbS nanoparticles, etc., and may serve as a general kind of simple, mild and cheap way to synthesize semiconducting metal sulfide nanomaterials on a large scale.

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