Abstract
Tin disulfide (SnS 2) hexagonal flakes with diameters in the range of 50−150 nm are synthesized by using SnCl 2.2H 2O and sodium diethyldithiocabamate as source materials via a solvothermal decomposition route. As-prepared SnS 2 hexagonal nanoflakes are characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM), energy dispersive spectroscopy (EDS) and ultraviolet–visible (UV–vis) spectroscopy. The band gap energy of the SnS 2 nanoflakes is measured to be 2.17 eV, and the conduction band (CB) and valence band (VB) levels of the SnS 2 nanoflakes are calculated to be − 4.34 eV and − 6.55 eV respectively, showing them to be suitable for optional and electronic applications.
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