Abstract

A facile disproportion reaction method is successfully developed to synthesize metal sulfide (cadmium sulfide, CdS; silver sulfide, Ag 2S; and mercury sulfide, HgS) under room temperature and ambient pressure. Various morphology of metal sulfide is obtained under role of PVP as an assisted-reagent for crystal growth. X-ray diffraction (XRD), transmission electron microscope (TEM), and ultraviolet–visible (UV–Vis) spectrum are used to characterize the obtained product. The disproportion reaction mechanism happened in this experiment is suggested in the end of this paper.

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